M-1 WOODWARD AV over I-75


+42.34003, -83.05294
42°20'24" N, 83°03'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:M-1 WOODWARD AV over I-75
Structure number:000000000011780
Old structure number:82182195000S250 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:89.2 ft. [27.2 m]
Total length:164.4 ft. [50.1 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:120.1 ft. [36.6 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2006
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:18,939 [as of 2007]
Truck traffic:3% of total traffic
Deck condition:Excellent [9 out of 9]
Superstructure condition:Excellent [9 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:75.6 tons [68.7 metric tons]
Inventory rating:45.2 tons [41.1 metric tons]
Sufficiency rating:92.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201692.2GoodExcellentExcellentVery GoodFO18939
April 201489.2FairVery GoodGoodSatisfactory-18939
April 201289.2GoodVery GoodGoodGood-18939
May 201089.2GoodVery GoodGoodGood-18939
January 200989.2GoodExcellentGoodGood-18939
October 200776.0PoorSeriousSatisfactoryFair--
September 200672.0PoorSeriousSatisfactoryFair-21315
June 200573.2PoorSeriousSatisfactoryFairSD15000
October 200273.2PoorSeriousSatisfactoryFairSD15000
July 200173.2PoorSeriousSatisfactoryFairSD15000
May 200073.2PoorSeriousSatisfactoryFairSD15000
August 199877.4FairFairSatisfactoryFairFO15000
August 199691.6FairSatisfactoryGoodSatisfactory-30000
August 199491.3FairSatisfactoryGoodGood-30000
July 199291.3GoodGoodGoodGood-30000
June 199091.3FairSatisfactoryGoodGood-30000