EB DAVISON (M-8) over I-96 WYOMING EXIT RAMP

Map 

Facts 

Name:	EB DAVISON (M-8) over I-96 WYOMING EXIT RAMP
Structure number:	82182123000S510
Location:	IN DETROIT
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	122.1 ft. [37.2 m]
Total length:	122.1 ft. [37.2 m]
Roadway width between curbs:	28.9 ft. [8.8 m]
Deck width edge-to-edge:	35.1 ft. [10.7 m]
Vertical clearance below bridge:	14.8 ft. [4.5 m]
Skew angle:	63°
Owner:	State Highway Agency [01]
Year built:	1971
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Steel [3]
Main span design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	77,500 [as of 1995]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	99.2 tons [90.2 metric tons]
Inventory rating:	59.6 tons [54.2 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	50.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	77,500 [as of 1995]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Fair [5 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	99.2 tons [90.2 metric tons]
Inventory rating:	59.6 tons [54.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	63.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,360 [as of 1982]
Deck condition:	Good [7 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:	55.4 tons [50.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	78.0

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