I 59/20 over US 31 CTY STRS RR S

Map 

Facts 

Name:	I 59/20 over US 31 CTY STRS RR S
Structure number:	010671
Location:	BHAM CIVIC CENTER
Purpose:	Carries highway over highway and railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	104.0 ft. [31.7 m]
Total length:	6632.2 ft. [2021.4 m]
Roadway width between curbs:	69.9 ft. [21.3 m]
Deck width edge-to-edge:	70.9 ft. [21.6 m]
Vertical clearance above deck:	17.1 ft. [5.2 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1972
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:	39
Main spans material:	Steel continuous [4]
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:	80,070 [as of 2008]
Truck traffic:	10% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	67.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$147,614,000

2000 Inspection 

Average daily traffic:	1,000 [as of 1995]
Truck traffic:	1% of total traffic
Evaluation:	Not applicable [N]

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