US Bridges

SB-I480 over I80/RAMP 4

Good

Douglas County, Nebraska · Grover ST Intrchg #3 · Structure no. S080 45303A

Built
1989
36 years old, rebuilt 2007
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,538 ft
10 main spans
Daily traffic
44,370
2002 count
Owner
State
State Highway Agency

About this bridge

SB-I480 over I80/RAMP 4 is a steel continuous stringer/multi-beam or girder carrying SB-I480 over I80/RAMP 4 in Douglas County, Nebraska. It was built in 1989 and reconstructed in 2007, so it is 36 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44,370 vehicles a day, roughly 7% of them trucks, projected to reach 62,118 by 2033. The structure is 1,538 ft (468.8 m) long and 77 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesSB-I480
CrossesI80/RAMP 4
LocationGrover ST Intrchg #3
RouteInterstate 480
CountyDouglas County
StateNebraska
Coordinates41.227, -95.954
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,538 ft (468.8 m)
Longest span252 ft (76.8 m)
Deck width77 ft (23.6 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic44,370 (2002)
Projected traffic62,118 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SB-I480 over I80/RAMP 4 built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2007.

What condition is SB-I480 over I80/RAMP 4 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does SB-I480 over I80/RAMP 4 carry?

About 44,370 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is SB-I480 over I80/RAMP 4?

The structure is 1,538 ft (468.8 m) long with a longest span of 252 ft (76.8 m) and a deck 77 ft wide.

Who owns SB-I480 over I80/RAMP 4?

It is owned by the State Highway Agency.