I-80 over MISSISSIPPI RIVER & RR

Map 

Facts 

Name:	I-80 over MISSISSIPPI RIVER & RR
Structure number:	000000000047720
Location:	078E503
Purpose:	Carries highway overpass over highway, waterway, and railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	370.1 ft. [112.8 m]
Total length:	3489.0 ft. [1063.4 m]
Roadway width between curbs:	61.0 ft. [18.6 m]
Deck width edge-to-edge:	66.9 ft. [20.4 m]
Vertical clearance below bridge:	60.0 ft. [18.3 m]
Owner:	State Highway Agency [01]
Year built:	1967
Year reconstructed:	1996
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:	28
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:	31,100 [as of 2008]
Truck traffic:	28% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	57.4 tons [52.2 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	67.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,200 [as of 1998]
Truck traffic:	12% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	57.5 tons [52.3 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Not applicable [N]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	18,500 [as of 1989]
Truck traffic:	26% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	57.4 tons [52.2 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	82.9

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