Share:

M-1 WOODWARD AV over I-75

Map 

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

Facts 

Name:M-1 WOODWARD AV over I-75
Structure number:000000000011780
Old structure number:82182195000S250 (from 1992 edition)
Location:IN DETROIT
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 2014 

Status:Open, no restriction [A]
Average daily traffic:18,939 [as of 2007]
Truck traffic:3% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:89.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201489.2Not deficientVery GoodGoodSatisfactory18939
April 201289.2Not deficientVery GoodGoodGood18939
May 201089.2Not deficientVery GoodGoodGood18939
January 200989.2Not deficientExcellentGoodGood18939
October 200776.0Not deficientSeriousSatisfactoryFair-
September 200672.0Not deficientSeriousSatisfactoryFair21315
June 200573.2Structurally deficientSeriousSatisfactoryFair15000
October 200273.2Structurally deficientSeriousSatisfactoryFair15000
July 200173.2Structurally deficientSeriousSatisfactoryFair15000
May 200073.2Structurally deficientSeriousSatisfactoryFair15000
August 199877.4Functionally obsoleteFairSatisfactoryFair15000
August 199691.6Not deficientSatisfactoryGoodSatisfactory30000
August 199491.3Not deficientSatisfactoryGoodGood30000
July 199291.3Not deficientGoodGoodGood30000
June 199091.3Not deficientSatisfactoryGoodGood30000