This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.


+42.29140, -83.14212
42°17'29" N, 83°08'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-85 over ROUGE RIVER
Structure number:000000000011321
Old structure number:82182071000B040 (from 1992 edition)
Location:IN DETROIT 10400 FORT ST
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:164.1 ft. [50.0 m]
Total length:281.8 ft. [85.9 m]
Roadway width between curbs:55.8 ft. [17.0 m]
Deck width edge-to-edge:73.8 ft. [22.5 m]
Vertical clearance below bridge:12.8 ft. [3.9 m]
Owner:State Highway Agency [01]
Year built:1926
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: October 2012

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:10,722 [as of 2007]
Truck traffic:14% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place but re-evaluation of design suggested [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:30.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$35,800,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2012PoorPoorSeriousPoor1072230.1
October 2011PoorPoorSeriousPoor1072230.1
November 2009PoorPoorSeriousPoor1072230.1
January 2009PoorPoorSeriousPoor1072230.1
November 2006PoorPoorSeriousPoor775347.4
October 2005PoorPoorPoorPoor775360.2
October 2004PoorPoorPoorPoor1170061.4
October 2003PoorPoorPoorPoor1170061.4
October 2002PoorPoorPoorPoor1170061.4
August 2001PoorPoorPoorPoor1170053.8
May 2000PoorPoorPoorPoor1170053.8
October 1998PoorPoorPoorPoor1170053.8
November 1997PoorPoorPoorPoor1170053.8
April 1996PoorPoorPoorPoor1170053.8
November 1995PoorPoorPoorPoor1170053.3
July 1994PoorPoorPoorPoor1170053.3
March 1992PoorPoorPoorPoor1170048.0
March 1990PoorPoorPoorPoor1170048.0