M-85 over ROUGE RIVER

Map 

Facts 

Name:	M-85 over ROUGE RIVER
Structure number:	82182071000B040
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]

2010 Inspection 

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]
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]
Operating rating:	37.2 tons [33.8 metric tons]
Inventory rating:	22.2 tons [20.2 metric tons]
Evaluation:	Structurally deficient [1]
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

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	11,700 [as of 1988]
Truck traffic:	3% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Poor [4 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inventory rating:	27.0 tons [24.5 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	53.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	11,700 [as of 1988]
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Poor [4 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:	In place and functioning [2]
Operating rating:	81.2 tons [73.8 metric tons]
Inventory rating:	18.6 tons [16.9 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	48.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$2,739,000

Comments