I-75 over RAMP D TO DAVISON(M-8)

Map

Coordinates:
+42.40891, -83.07979
42°24'32" N, 83°04'47" W

Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Name:	I-75 over RAMP D TO DAVISON(M-8)
Structure number:	82182252000S360
Location:	IN DETROIT OVER N-W RAMPT
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	49.9 ft. `[15.2 m]`
Total length:	49.9 ft. `[15.2 m]`
Roadway width between curbs:	145.7 ft. `[44.4 m]`
Deck width edge-to-edge:	147.6 ft. `[45.0 m]`
Vertical clearance below bridge:	14.1 ft. `[4.3 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	1969
Year reconstructed:	2003
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Main span material:	Steel `[3]`
Main span design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Status:	Open, no restriction `[A]`
Average daily traffic:	112,600 `[as of 1982]`
Truck traffic:	3% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	85.0 tons `[77.3 metric tons]`
Inventory rating:	43.0 tons `[39.1 metric tons]`
Evaluation:	Structurally deficient `[1]`
Sufficiency rating:	35.0

Status:	Open, no restriction `[A]`
Average daily traffic:	112,600 `[as of 1982]`
Deck condition:	Satisfactory `[6 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