Inspection report of Martin Luther King Jr. Boulevard bridge

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

NBI INSPECTION

1JZY

Inspector Name

Agency / Company Name

Jake VanHorn

Alfred Benesch

Insp. Freq.

Insp. Date

12

07/29/2022

GENERAL NOTES Direction: MLK is considered E-W; RR is considered N-S. Access: Through slopes along SWQ and SEQ. Access to beam seat hinges in span 2 requires reachall bucket truck with traffic control Weather: 77deg and sunny Weight limit signs in place on both ends of bridge

NO

Required advance warning weight limit signs in place

NO

DECK 06/18 07/20 07/22 1. Surface (SIA-58A)

6

6

5

Concrete o ov verlay to top su surface. ce. Op Open tr transverse cr crack cks s at at 8' 8' sp spacin cing an and lo longitudinal cr cracks up to 1/16" wide. Diagonal and transverse cracking observed at multiple locations. EB lanes have 2 HMA filled patches approximately 6 sft. WB lanes Span 1w has a 14 sft and 6sft HMA patch. Map cracking observed in span 1W. Minor open spalls in both bounds of of span 3w. (07/22) Concrete overlay top surface. Open transverse cracks at 8' spacing and longitudinal cracks up to 1/16" wide. Diagonal and transverse cracking observed at multiple locations. EB lanes have 2 HMA filled patches approximately 6 sft. Span 1w has 14 sft HMA patch. Map cracking span 1W. (07/20) Concrete overlay top surface. Open transverse cracks at 8' spacing and longitudinal cracks up to 1/16" wide. Some cracks are sealed. (06/18)

2. Expansion Joints

4

3

3

Expansion Joint devices (EJD) JD) loc located on top of piers 1w and 2w over the hinges. EJD significantly deteriorated at multiple locations with HMA patches along each joint (100% damaged over pier 1w, 100% damaged over pier 2w). EJD at WB sidewalk over pier 1w is heaving and is a tripping hazard. Rubber mat compression seals over each hinge joint with evidence of leakage below with daylight visible through joint. (07/22) Expansion Joint device (EJD) located on top of piers 1w and 2w over the hinges. EJD significantly multiple locations (25% EB over 2w, 30% damaged WB over pierdeteriorated 2w). EJD atatWB sidewalk over pier 1wdamaged is heaving and is apier tripping hazard. Rubber mat compression seals over each hinge joint with evidence of leakage below with daylight visible through joint. (07/20) HPR joints along the abutment reference lines, HMA patches in the east header. Rubber mat compression seals over each saddle joint, evidence of leakage below. Patches and holes over both saddle joints. (06/18)

3. Other Joints

N

4

4

HPR jo join intts along the abutment reference lines, HMA patches in the east header. 80% damage to HPR in EB lane @ abut B. 4ft long spall in west header EB lanes. (07/22) HPR joints along the abutment reference lines, HMA patches in the east header. 80% damage to HPR in EB lane @ abut B. 4ft long spall in west header. (07/20) N/A (06/18)

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 1 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

4. Railings

6

5

5

Ou Outtsid side rra ailin ing g: S So olid c co oncrete p pa arapets w wiith 2 2--tube rra ails. ls. 7' 7' h ho orizontal ST STS in in th the so solid concrete barrier in the SEQ. 7 Missing tube sections (5 in SE corner and 2 in NW corner). NE, NW, SE approach guardrails have impact damage. Median: Dual face Type 4 median barrier, open vertical cracks up to 1/16" wide spaced at 2'4'. Some horizontal cracking observed. (07/22) Outside railing: Solid concrete parapets with 2-tube rails. 7' horizontal STS in the solid concrete barrier in the SEQ. 5 Missing tube sections (3 in SE corner and 2 in NW corner). NE, NW, SE approach guardrails have impact damage. Median: Dual face Type 4 median barrier, open vertical cracks up to 1/16" wide spaced at 2'4'. Some horizontal cracking observed. (07/20) Outside rails: Solid concrete parapets with 2-tube uppers. 6' horizontal STS in the solid concrete barrier in the SEQ. 5 Missing tube sections, 3 in SE corner and 2 in NW corner. NE, NW, SE approach guardrails have impact damage. Median: Dual face Type 4 median barrier, open vertical cracks up to 1/16" wide spaced at 2'4'. (06/18)

5. Sidewalks or Curbs

7

7

7

Raised c co oncrete sid side ewalks al along b bo oth ffa ascia cias. Is Isolated H HL L tr transverse c crracks sp spaced at at 15 15' and diagonal cracks. Debris buildup along both sidewalks. (07/22) Raised concrete sidewalks along both fascias. Isolated HL transverse cracks spaced at 15' and diagonal cracks. (07/20) Raised concrete sidewalks along both fascias. Isolated HL transverse spaced at 15' and diagonal cracks. (06/18)

6. Deck Bottom Surface (SIA-58B)

7

6

6

SIP metal d de eck p pa ans, m miinor co corrosion o on n is isolated se seams. H He eavier co corrosion o on n th the p pa ans above the hinge joints. Bay 7s Span 2w has large deflection in SIP form pan. (07/22) SIP metal deck pans, minor corrosion on isolated seams. Heavier corrosion on the pans above the hinge joints. (07/20) SIP metal deck pans, minor corrosion on isolated seams. Heavier corrosion on the pans above the saddle joints. (06/18)

7. Deck (SIA-58)

6

6

5

Top: C Co oncrete o ov verlay tto op s su urface. Op Open ttrransverse c crracks at at 8' 8' s sp pacing a an nd llo ongitudinal cracks up to 1/16" wide. Diagonal and transverse cracking observed at multiple locations. EB lanes have 2 HMA filled patches approximately 6 sft. WB lanes Span 1w has a 14 sft and 6sft HMA patch. Map cracking observed in span 1W. Bottom: SIP metal deck pans, minor corrosion on isolated seams. Heavier corrosion on the pans above the hinge joints. Bay 7s Span 2w has large deflection in SIP form pan. Fascias: HL vertical cracks spaced at 6'-10'. (07/22) Top: Concrete overlay top surface. Open transverse cracks at 8' spacing and longitudinal cracks up to 1/16" wide. Diagonal and transverse cracking observed at multiple locations. EB lanes have 2 HMA cracking span 1W. filled patches approximately 6 sft. Span 1w has 14 sft HMA patch. Map Bottom: SIP metal deck pans, minor corrosion on isolated seams. Heavier corrosion on the pans above the hinge joints. Fascias: HL vertical cracks spaced at 6'-10'. (07/20) Top: Concrete overlay top surface. Open transverse cracks at 8' spacing and longitudinal cracks up to 1/16" wide. Some cracks are sealed. Bottom: SIP metal deck pans, minor corrosion on isolated seams. Heavier corrosion on the pans above the saddle joints. Fascias: HL vertical cracks spaced at 6'-10'. (06/18) Catch basins located off of structure. (07/22) Off structure. (07/20) Off structure. (06/18)

8. Drainage

SUPERSTRUCTURE 06/18 07/20 07/22

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 2 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

9. Stringer (SIA-59)

5

5

2

(10) AA-588 we weathering s stteel b be eams, sp span 2 2s s is is su suspended vi via h hiinges 4 4'' no north o off pi pier 1s 1s a an nd 4' south of pier 2s. Deck is curved and beams are on chords. Severe corrosion with heavy flaking of steel observed at all interior beam seat hinges. Minor to heavy section loss observed in the webs, flanges, stiffeners and steel bearing seats of the beam seat hinges at beams 2s through 9s at both pier 1w and pier 2w. Beam 2s pier 1w has the worst section loss with multiple large holes in the web throughout the cantilever portion. Beam 2s pier 1w bearing stiffeners at the beam seat hinge and the bearing stiffeners over the rocker bearing at the pier are completely gone with 100% LOS for full width of both stiffeners. Beam 2s is in critical condition with no load path back to the pier. Beams 3s & 8s at pier 1w and beams 2s, 3s, 4s, 8s & 9s at pier 2w are in serious condition. All cross frames under the EJD are in serious condition with heavy section loss and steel flaking and corrosion at both pier1w and pier 2w. A few cross frames have 100% section loss with holes in the webs. (07/22) (10) A-588 weathering steel beams, span 2s is suspended via hinges 4' north of pier 1s and 4' south of pier 2s. Deck is curved and beams are on chords. Steel flaking and corrosion observed under hinges (at EJD locations) at beams 2-3s; 7-9s and diaphragms. Beam 8s has the worst deterioration. (07/20) (10) A-588 weathering steel beams, span 2s is suspended via saddles 4' north of pier 1s and 4' south of pier 2s. Bridge is curved, beams are on chords. No deficiencies noted. (06/18)

10. Paint (SIA-59A)

8

6

N

St Stee eell pati patina na is smoo smooth th wit ith h a so soli lid d enca encaps psul ulat atio ion. n. Ma Majo jorrity ity of dama damage ge to pati patina na is obse obserrve ved d under EJD and also along bottom portion of web and bottom flange of beam 2s in span 1w. (07/22) Steel patina is smooth with a solid encapsulation. Majority of damage to patina is observed under EJD. (07/20) Steel patina is smooth with a solid encapsulation. (06/18)

11. Section Loss

2

2

0

100% se section llo oss o ob bserved iin nw we ebs, flflanges an and st stiffeners a att be beam 2 2s s/Pier1w at th the b be eam seat hinges. Other beam seat hinge locations have significant section loss as well. (07/22) Section loss on and surrounding the beam hinges. Section loss not measured. Section loss needs to be verified via a detailed inspection utilizing MDOT's reachall unit. Beams 2s-3s and 7s-9s are worst at both hinges. (07/20) Section loss on and surrounding the saddles. Section loss not measured, approximated at less than 10% +/-. Section loss needs to be verified via a detailed inspection utilizing MDOT's reachall. Beams 2s and 3s are worst at both saddle joints. (06/18)

12. Bearings

7

7

4

Steel be bearin ing gp pllates a att ea each ab abutment wi with m mo oderate c co orrosion a an nd e ellastomeric bearings at at each hinge location. One row of steel rocker bearings at each pier, pier 1w has approximately 10-15 degree tilt towards span 2. Most rocker bearings are in fair condition. Rockers 2s, 3s, 8s at pier 1w and rocker 2s-4s, 8s-9s at pier 2w are in poor condition with heavy corrosion and flaking Most of the beam seats contact at thesome hinges and steel packed with and packpack rust rust and observed. debris. Elastomeric bearings are inare fairincondition with minor bulging and tearing. Some pads are only 90-95% full contact as the bearings have slightly rotated. (07/22) Steel bearing plates at each abutment and elastomeric bearings at each hinge location, no deficiencies noted. One row of steel rocker bearings at each pier, rocker 1w has approximately 10-15 degree tilt towards span 2, surface rust throughout. (07/20) Elastomeric bearings at each abutment, no deficiencies noted. One row of steel rocker bearings at each pier, no significant tilt noted, surface rust throughout. (06/18)

SUBSTRUCTURE 06/18 07/20 07/22

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 3 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

13. Abutments (SIA-60)

7

6

6

Concrete c ca antilever a ab butment w wa alls. M Miinor to to m mo oderate s sttainin ining gu un nder b be earings, an and so some hairline vertical cracking observed. Abut A: 0.12" crack under bearing of beam 1s. Abut B: Large open crack (1/2" +/-) with 20sft spall in the front face of the wall, likely due to pavement growth. (07/22) Concrete cantilever abutment walls. Minor staining under bearings, and some hairline vertical cracking observed. Abut A: 0.12" crack under bearing of beam 1s. Abut B: Large open crack (1/2" +/-) with 4sft spall in the front face of the wall, bay 9s, likely due to pavement growth. (07/20) Concrete cantilever abutment walls, 2 Hairline vertical cracks in north abutment and 4 hairline vertical cracks in south abutment. North Abutment: Jagged open (1/2" +/-) crack in the front face of the wall, bay 1w. (06/18)

14. Piers (SIA-60)

7

5

5

Five 3' 3' d diiameter c co oncre crete c co olumns w wiith co concrete ca cap an and cr crashwalls. Is Isolated H HL L ho horizo izontal cap cracks and rust stains at pier 1w with two 3sft delaminations. Pier 1w, west face has some map cracking under beam 10s. Major washout at north end of pier 1w along west side exposing 4' of crash wall below grade and approximately 12ft of crashwall length along north end. Many PVC communication lines and a steel conduit exposed. Reason for washout is undetermined. Pier 2w pier cap has 3 vertical HL cracks. (07/22) Five 3' diameter concrete columns withface concrete cap and Isolated HL10s. horizontal cap cracks, rust stains. Pier 1w, north has some mapcrashwalls. cracking under beam Major washout along north side of pier 1w exposing 3' of crash wall below grade. Many PVC communication lines and a steel conduit exposed. (07/20) Five 3' diameter concrete columns with concrete cap and crashwalls. Isolated HL horizontal cap cracks, rust stains. Pier 1w, north face the first 5 feet are map cracked. (06/18)

15. Slope Protection

8

8

0

Concrete s sllope pa paving w wit ith hc ca ast con concre crete s siide h he eaders. Slope p pa aving h ha as fa failed in in s sp pan 1 1w w near the pier. A scour hole with size of 16ft wide perpendicular to pier crashwall x 12ft long along pier crashwall x 4ft deep below grade at pier crashwall observed at north end of pier 1w. Many PVC communication lines and a steel conduit exposed. Cause of scour hole not yet determined and has grown in size since the last inspection. (07/22) Concrete slope paving with cast concrete side headers. (07/20) Concrete slope paving with cast concrete side headers, no deficiencies noted. (06/18)

16. Channel (SIA-61)

N

N

N

Grade separation. (07/22) Grade separation. (07/20) Grade separation. (06/18)

17. Scour Inspection

N

N

N

Cause o off s sc cour h ho ole al along pi pier 1 1w w no not y ye et d de etermined a an nd h ha as g grrown in in s siize s sin inc ce th the la last inspection. (07/22) N/A N/A (07/20) (06/18)

APPROACH 06/18 07/20 07/22 18. Approach Pavement

6

4

4

Concrete a ap pproach p pa avement w wiith se sealed tr transverse an and lo longitudinal jo joint ints. Is Isolated H HM MA patches and open transverse cracks. SWQ has a lane wide transverse crack that has settled 1.5". Evidence of previous patching to this settlement was observed. (07/22) Concrete approach pavement with sealed transverse and longitudinal joints. Isolated HMA patches and open transverse cracks. SWQ has a lane wide transverse crack that has settled 1.5". Evidence of previous patching to this settlement was observed. (07/20) Concrete approach pavement with sealed transverse and longitudinal joints. Isolated HMA patches and open transverse cracks. In southwest quadrant there is a lane wide transverse crack that has settled 1/2". (06/18)

19. Approach Shoulders Sidewalks

4

8

8

Concrete a ap pproach s siidewalks an and co concrete cu curb & g gu utter in in al all fo four qu quadrants. Al All qu quadrants recently reconstructed. (07/22) Concrete approach sidewalks and concrete curb & gutter in all four quadrants. NWQ and SEQ recently reconstructed. (07/20) Concrete approach sidewalks and concrete curb & gutter in all four quadrants. Up to 6" of settlement at the abutment reference lines. (06/18)

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 4 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

20. Approach Slopes

Grass and brush. (07/22) Grass and brush. (07/20) Grass and brush. (06/18)

21. Utilities

Steel and PVC conduit buried under span 1 running parallel to RR. Overhead lines directly over span 3. (07/22) Utilities buried under span 1 running parallel to RR. Overhead lines directly over span 3. (07/20) None noted. (06/18)

22. Drainage Culverts

C&G takes water to catch basins away from bridge. (07/22) None noted. (07/20) None noted. (06/18)

MISCELLANEOUS Guard Rail

Other Items

Item

Rating

Item

Rating

36A. Bridge Railings 36B. Transitions 36C. Approach Guardrail 36D. Approach Guardrail Ends

0 0 0 0

71. Water Adequacy 72. Approach Alignment Temporary Support High Load Hit (M)

N 8 0 No Temporary Supports No

Special Insp. Equipment Underwater Insp. Method

4 0

False Decking (Timber) Removed to Complete Inspection

N/A - No False Decking

Critical Feature Inspections (SIA-92) Freq

Date

92A. Fracture Critical 92B. Underwater 92C. Other Special 92D. Fatigue Sensitive

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 5 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

SUPPORTING IMAGES

1JZY 07/29/2022

Document Name: IMG_0043.JPG Category: Railing Span Number: 3

Document Name: IMG_0041.JPG Category: Joints Span Number: 3

Co Comm mmen ents ts:: Mis Missi sing ng st stee eell ttub ube es sec ecti tion ons s iin nS SE EQ a and nd NWQ WQ..

Com Comment ments: s: Abut Abutme ment nt B H HP PR jjo oint int in in E EB B lan lane es.

Document Name: IMG_0052.JPG Category: Joints Span Number: 2 Comments: Expansion joint device in span 2w near pier 1w wb lanes.

Document Name: 20220728_180014.jpg Category: Superstructure Span Number: 2 Comments: Large holes in web and bearing stiffeners. Beam 2s/Pier1w.

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 6 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

Document Name: 20220728_180018.jpg

Document Name: 20220728_180024.jpg

Category: Superstructure Span Number: 2

Category: Superstructure Span Number: 2

Comments: Large holes in web and bearing stiffeners. Beam 2s/Pier1w.

Comments: Large holes in web and bearing stiffeners. Beam 2s/Pier1w.

Document Name: 20220728_180106.jpg Category: Superstructure Span Number: 2 Comments: Large holes in web and bearing stiffeners. Beam

Document Name: 20220728_180117.jpg Category: Superstructure Span Number: 2 Comments: Large holes in web and bearing stiffeners. Beam

2s/Pier1w.

2s/Pier1w.

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 7 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

Document Name: DSCF1188.JPG Category: Superstructure Span Number: 2 Comments: Beam 8s/Pier 1w.

Document Name: DSCF1196.JPG Category: Superstructure Span Number: 2 Comments: Beam 8s/Pier 1w.

Document Name: DSCF1198.JPG Category: Superstructure Span Number: 2 Comments: Beam 8s/Pier 1w.

Document Name: DSCF1199.JPG Category: Superstructure Span Number: 2 Comments: Beam 8s/Pier 1w.

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 8 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

Document Name: DSCF1230.JPG Category: Superstructure Span Number: 2 Comments: Large holes in web and bearing stiffeners. Beam 2s/Pier1w.

Document Name: DSCF1233.JPG Category: Superstructure Span Number: 2 Comments: Bearing stiffener at rocker bearing has 100% section loss for full bearing stiffener width on both sides of beam. beam 2s/Pier 1w.

Document Name: IMG_0033.JPG Category: Superstructure Span Number: 2

Document Name: IMG_0036.JPG Category: Superstructure Span Number: 1

Comments: Span 2w underside.

Comments: Heavy corrosion of beam 2s bottom flange and bottom of web in span 1w near pier 1w.

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 9 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

Document Name: IMG_0032.JPG Category: Substructure Span Number: 2 Comments: Pier 2w west face.

Document Name: IMG_0034.JPG Category: Substructure Span Number: 3 Comments: Abutment B delamination under beam 10s.

Document Name: IMG_0035.JPG

Document Name: IMG_0037.JPG

Category: Substructure Span Number: 1

Category: Slope Protection Span Number: 1

Co Comm mmen ents ts:: W Wid ide e cra crack ck in abut abutme ment nt A unde underr bea beam m1 1s. s.

Com Comme ment nts: s: Heavy eavy wa wash sho out of slop slope ea alo long ng the the n nor orth th end end o off pie pierr 1w 1w exposing utilities and pier crashwall.

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

Page 10 of 11

 

MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

BRIDGE SAFETY INSPECTION REPORT

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

Document Name: 2B705521.JPG Category: Other

Document Name: 46B481A0.JPG Category: Other

Span Number: Comments: WB approach closure

Span Number: Comments: EB approach closure

Modified by: VANHORNJ0120 on 08/12/2022

Printed on 08/16/2022

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MICHIGAN DEPARTMENT OF TRANSPORTATION

STR 8269

WORK RECOMMENDATIONS

Facility MARTIN LUTHER KING Feature GRAND TRUNK WESTERN RR Location 1/4 MI E EAST BLVD & BL75 Region / County

Latitude / Longitude 42.6169 / -8 -83.2698 Length / Width / Spans 188 / 70.2 / 3 Built / Recon. / Paint / Ovly. 1976 / / / Material / Design

MDOT Structure ID 634548400217R01 Owner City: PONTIAC(5484) TSC Oakland(23) Last NBI Inspection

Structure Condition Critical Condition(2)

Operational Status K Closed to all traffic(K) Scour Evaluation

Metro(7) / O Oa akland(63)

3 Steel / 3 32 2 Multi Str Comp

07/29/2022 / 1 1J JZY

N Not Over Waterway

WORK RECOMMENDATIONS

1JZY

Inspector Name

Agency / Company Name

Jake VanHorn

Alfred Benesch

Insp. Freq.

Insp. Date

12

07/29/2022

RECOMMENDATIONS & ACTION ITEMS Recommendation Type Approach Repair

Priority H

Description Apply HMA wedges at the settled region of West approach EB right lane.

Slope Repair

H

Repair washout along north side of pier 1w.

Railing Repair

H

Replace missing 2-tube steel railing segments.

Joint Repl

H

Deck Patching

L

Replace all expansion joint devices and apply a new layer of HPR along the abutment reference line joints. Perform full depth deck patching.

Substr Repair

L

Hand chip and patch large delamination in bay 9s at Abutment B. Perform patching repairs on abutments and piers. Seal cracks in abutments.

Bridge Repl.

H

Replace bridge due to critical condition of steel superstructure.

Other

H

To open the bridge to traffic, construct temporary supports under beam ends with heavy section loss.

Printed on 08/16/2022

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