6 MI RD over M-39

Map 

Facts 

Name:	6 MI RD over M-39
Structure number:	82182193000S050
Location:	IN DETROIT
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	53.8 ft. [16.4 m]
Total length:	108.9 ft. [33.2 m]
Roadway width between curbs:	125.0 ft. [38.1 m]
Deck width edge-to-edge:	131.9 ft. [40.2 m]
Vertical clearance below bridge:	14.8 ft. [4.5 m]
Skew angle:	2°
Owner:	State Highway Agency [01]
Year built:	1962
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	2
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,700
Truck traffic:	3% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	92.3 tons [83.9 metric tons]
Inventory rating:	55.3 tons [50.3 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	90.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$97,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,700 [as of 1978]
Truck traffic:	3% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	92.3 tons [83.9 metric tons]
Inventory rating:	55.3 tons [50.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	92.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,700 [as of 1978]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	42.6 tons [38.7 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	94.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$97,000

Comments