I-75 over CONRAIL RR

Map

Coordinates:
+42.41492, -83.08527
42°24'54" N, 83°05'07" W

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

Name:	I-75 over CONRAIL RR
Structure number:	82182252000R080
Location:	IN DETROIT
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	60.7 ft. `[18.5 m]`
Total length:	220.2 ft. `[67.1 m]`
Roadway width between curbs:	166.7 ft. `[50.8 m]`
Deck width edge-to-edge:	173.6 ft. `[52.9 m]`
Vertical clearance below bridge:	23.0 ft. `[7.0 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]`
Number of main spans:	4
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Box Beam or girders - Single or Spread `[06]`
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:	211,000 `[as of 1995]`
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	95.0 tons `[86.4 metric tons]`
Inventory rating:	49.0 tons `[44.5 metric tons]`
Evaluation:	Structurally deficient `[1]`
Sufficiency rating:	58.0
Recommended work:	Bridge deck replacement with only incidental widening. `[37]`

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:	Satisfactory `[6 out of 9]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Inventory rating:	48.5 tons `[44.1 metric tons]`
Sufficiency rating:	85.0