I59/20 over AVE I

Map 

Facts 

Name:	I59/20 over AVE I
Structure number:	014381
Old structure number:	00000I593701870 (from 1992 edition)
Location:	I59 & AVE I
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	64.0 ft. [19.5 m]
Total length:	451.1 ft. [137.5 m]
Roadway width between curbs:	89.2 ft. [27.2 m]
Deck width edge-to-edge:	101.1 ft. [30.8 m]
Vertical clearance below bridge:	17.1 ft. [5.2 m]
Skew angle:	47°
Owner:	State Highway Agency [01]
Year built:	1966
Year reconstructed:	1988
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:	7
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:	96,450 [as of 2008]
Truck traffic:	11% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	87.0 tons [79.1 metric tons]
Inventory rating:	52.1 tons [47.4 metric tons]
Sufficiency rating:	68.5
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$15,106,000

2000 Inspection 

Average daily traffic:	2,000 [as of 2000]
Truck traffic:	9% of total traffic
Evaluation:	Not applicable [N]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	33,940 [as of 1988]
Truck traffic:	9% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	78.8

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