NB-I480 over I80/RAMP 4

Map

Coordinates:
+41.22167, -95.95333
41°13'18" N, 95°57'12" W

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

Name:	NB-I480 over I80/RAMP 4
Structure number:	S080 45303B
Location:	GROVER ST INTRCHG #4
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	242.1 ft. `[73.8 m]`
Total length:	1428.2 ft. `[435.3 m]`
Roadway width between curbs:	46.6 ft. `[14.2 m]`
Deck width edge-to-edge:	49.2 ft. `[15.0 m]`
Vertical clearance above deck:	16.7 ft. `[5.1 m]`
Vertical clearance below bridge:	17.1 ft. `[5.2 m]`
Owner:	State Highway Agency `[01]`
Year built:	1989
Year reconstructed:	1992
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	9
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]`

Status:	Open, no restriction `[A]`
Average daily traffic:	44,370 `[as of 2002]`
Truck traffic:	7% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Excellent `[9 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:	43.6 tons `[39.6 metric tons]`
Inventory rating:	25.7 tons `[23.4 metric tons]`
Evaluation:	Functionally obsolete `[2]`
Sufficiency rating:	59.2
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$5,869,000

Status:	New structure not yet open to traffic `[G]`
Average daily traffic:	25,800 `[as of 1990]`
Truck traffic:	4% of total traffic
Deck condition:	Excellent `[9 out of 9]`
Superstructure condition:	Excellent `[9 out of 9]`
Substructure condition:	Excellent `[9 out of 9]`
Channel protection:	There are no noticeable or noteworthy deficiencies which affect the condition of the channel. `[9]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	35.6 tons `[32.4 metric tons]`
Inventory rating:	34.7 tons `[31.5 metric tons]`
Sufficiency rating:	70.7
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. `[34]`