HARPER AVE over I-94

Map 

Facts 

Name:	HARPER AVE over I-94
Structure number:	82182025000S110
Location:	IN DETROIT
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Local (Urban) [19]
Length of largest span:	89.9 ft. [27.4 m]
Total length:	257.9 ft. [78.6 m]
Roadway width between curbs:	47.9 ft. [14.6 m]
Deck width edge-to-edge:	69.9 ft. [21.3 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	50°
Owner:	State Highway Agency [01]
Year built:	1959
Year reconstructed:	1997
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:	4
Main spans material:	Steel [3]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,250 [as of 1978]
Truck traffic:	3% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	84.7 tons [77.0 metric tons]
Inventory rating:	49.0 tons [44.5 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.2

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,250 [as of 1978]
Truck traffic:	3% of total traffic
Deck condition:	Excellent [9 out of 9]
Superstructure condition:	Satisfactory [6 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]
Operating rating:	88.6 tons [80.5 metric tons]
Inventory rating:	53.1 tons [48.3 metric tons]
Sufficiency rating:	75.2

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,250 [as of 1978]
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Good [7 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]
Inventory rating:	45.5 tons [41.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	43.3
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$272,000

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