HARPER AVE over I-94

Map

Coordinates:
+42.38097, -83.03191
42°22'51" N, 83°01'55" W

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

Name:	HARPER AVE over I-94
Structure number:	82182024000S160
Location:	IN DETROIT
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Collector (Urban) `[17]`
Length of largest span:	86.9 ft. `[26.5 m]`
Total length:	170.9 ft. `[52.1 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	40.0 ft. `[12.2 m]`
Vertical clearance below bridge:	15.1 ft. `[4.6 m]`
Skew angle:	45°
Owner:	State Highway Agency `[01]`
Year built:	1958
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
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]`

Status:	Open, no restriction `[A]`
Average daily traffic:	9,250 `[as of 1978]`
Truck traffic:	3% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Very Good `[8 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]`
Inventory rating:	34.0 tons `[30.9 metric tons]`
Evaluation:	Functionally obsolete `[2]`
Sufficiency rating:	63.3

Status:	Open, no restriction `[A]`
Average daily traffic:	9,250 `[as of 1978]`
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:	33.7 tons `[30.6 metric tons]`
Evaluation:	Functionally obsolete `[2]`
Sufficiency rating:	74.3