I480/17TH ST ACCES over 18TH/20TH

Map

Coordinates:
+41.26296, -95.93851
41°15'47" N, 95°56'19" W

Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Name:	I480/17TH ST ACCES over 18TH/20TH
Structure number:	S480 00310B
Location:	IN OMAHA
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	131.9 ft. `[40.2 m]`
Total length:	851.1 ft. `[259.4 m]`
Roadway width between curbs:	31.5 ft. `[9.6 m]`
Deck width edge-to-edge:	34.1 ft. `[10.4 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1970
Year reconstructed:	1997
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 continuous `[4]`
Main spans design:	Box Beam or girders - Single or Spread `[06]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Status:	Open, no restriction `[A]`
Average daily traffic:	6,600 `[as of 2003]`
Truck traffic:	7% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Very Good `[8 out of 9]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	63.4 tons `[57.6 metric tons]`
Inventory rating:	19.8 tons `[18.0 metric tons]`
Sufficiency rating:	73.3
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. `[34]`
Estimated cost of work:	$2,308,000

Average daily traffic:	2,175 `[as of 1998]`
Evaluation:	Not applicable `[N]`

Status:	Open, no restriction `[A]`
Average daily traffic:	4,100 `[as of 1990]`
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Inventory rating:	20.8 tons `[18.9 metric tons]`
Evaluation:	Structurally deficient `[1]`
Sufficiency rating:	47.3
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$254,000