US275/N92 over BNSF/ST/MO R 074-670-W

Map 

Facts 

Name:	US275/N92 over BNSF/ST/MO R 074-670-W
Structure number:	S275 19041
Location:	ECL OMAHA
Purpose:	Carries highway over highway, waterway, and railroad
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	525.0 ft. [160.0 m]
Total length:	4380.1 ft. [1335.0 m]
Roadway width between curbs:	22.3 ft. [6.8 m]
Deck width edge-to-edge:	27.6 ft. [8.4 m]
Vertical clearance above deck:	15.1 ft. [4.6 m]
Vertical clearance below bridge:	15.7 ft. [4.8 m]
Owner:	State Highway Agency [01]
Year built:	1936
Historic significance:	Bridge is on the National Register of Historic Places [1]
Design load:	M 13.5 / H 15 [2]
Number of main spans:	2
Main spans material:	Steel continuous [4]
Main spans design:	Truss - Thru [10]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Low slump Concrete [4]

2010 Inspection 

Status:	Bridge closed to all traffic [K]
Average daily traffic:	7,690 [as of 2008]
Truck traffic:	4% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Poor [4 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 the assessed or calculated scour condition. [8]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	2.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$18,412,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	10,600 [as of 1998]
Truck traffic:	5% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 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 the assessed or calculated scour condition. [8]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	25.7 tons [23.4 metric tons]
Sufficiency rating:	42.2
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$13,201,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	5,635 [as of 1990]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	25.3 tons [23.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	57.2
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$841,000

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