US Bridges

I80 over Walnut Creek

Good

Seward County, Nebraska · 1E Beaver Crossing Intrch · Structure no. S080 37055

Built
1997
28 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
28,185
2018 count
Owner
State
State Highway Agency

About this bridge

I80 over Walnut Creek is a concrete culvert carrying I80 over Walnut Creek in Seward County, Nebraska. It was built in 1997, so it is 28 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 28,185 vehicles a day, roughly 30% of them trucks, projected to reach 33,822 by 2038. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 12.4 mi (20 km).

CarriesI80
CrossesWalnut Creek
Location1E Beaver Crossing Intrch
RouteInterstate 80
Coordinates40.8222, -97.2653
Functional classRural 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,185 (2018)
Projected traffic33,822 by 2038
Trucks30%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I80 over Walnut Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is I80 over Walnut Creek 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 January 2025.

How much traffic does I80 over Walnut Creek carry?

About 28,185 vehicles per day (2018 count), of which roughly 30% are trucks.

How long is I80 over Walnut Creek?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns I80 over Walnut Creek?

It is owned by the State Highway Agency.