UNDERWOOD AVE over I-96

Map 

Facts 

Name:	UNDERWOOD AVE over I-96
Structure number:	82182123000S320
Location:	IN DETROIT
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Local (Urban) [19]
Length of largest span:	86.9 ft. [26.5 m]
Total length:	174.2 ft. [53.1 m]
Roadway width between curbs:	29.5 ft. [9.0 m]
Deck width edge-to-edge:	42.0 ft. [12.8 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	2°
Owner:	State Highway Agency [01]
Year built:	1972
Year reconstructed:	2009
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 [3]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,700 [as of 2008]
Truck traffic:	1% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	56.0 tons [50.9 metric tons]
Sufficiency rating:	83.7

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	3,300 [as of 1988]
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 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:	56.0 tons [50.9 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.4

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	3,000 [as of 1974]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Poor [4 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:	55.4 tons [50.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	51.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$203,000

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