I 20 over US 78

Map 

Facts 

Name:	I 20 over US 78
Structure number:	011070
Location:	I 20 & US 78
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	105.0 ft. [32.0 m]
Total length:	1028.9 ft. [313.6 m]
Roadway width between curbs:	52.8 ft. [16.1 m]
Deck width edge-to-edge:	55.4 ft. [16.9 m]
Vertical clearance below bridge:	17.4 ft. [5.3 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1974
Year reconstructed:	1989
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:	10
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:	23,805 [as of 2008]
Truck traffic:	17% 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:	84.7 tons [77.0 metric tons]
Inventory rating:	50.7 tons [46.1 metric tons]
Sufficiency rating:	83.4
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$17,901,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	31,265 [as of 1996]
Truck traffic:	12% 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:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	82.6

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