I-75 NB over I-75 SB TO EB RAMP

Map

Coordinates:
+42.34202, -83.04682
42°20'31" N, 83°02'49" W

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

Name:	I-75 NB over I-75 SB TO EB RAMP
Structure number:	82182251000S071
Location:	I-75 & I-375 INTCHG
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	33.8 ft. `[10.3 m]`
Total length:	33.8 ft. `[10.3 m]`
Roadway width between curbs:	42.3 ft. `[12.9 m]`
Deck width edge-to-edge:	45.6 ft. `[13.9 m]`
Vertical clearance below bridge:	14.8 ft. `[4.5 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	1970
Year reconstructed:	1998
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:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Status:	Open, no restriction `[A]`
Average daily traffic:	58,500 `[as of 1995]`
Truck traffic:	11% of total traffic
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	82.2 tons `[74.7 metric tons]`
Inventory rating:	49.5 tons `[45.0 metric tons]`
Sufficiency rating:	63.0

Status:	Open, no restriction `[A]`
Average daily traffic:	32,200 `[as of 1982]`
Truck traffic:	13% 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]`
Inventory rating:	61.4 tons `[55.8 metric tons]`
Sufficiency rating:	90.0
Estimated cost of work:	$110,000