US Bridges

478 Ave over Elkhorn River

Good

Holt County, Nebraska · 2E 1.7 Atkinson · Structure no. C004523330

Built
1990
35 years old, rebuilt 2020
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
3 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

478 Ave over Elkhorn River is a steel stringer/multi-beam or girder carrying 478 Ave over Elkhorn River in Holt County, Nebraska. It was built in 1990 and reconstructed in 2020, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 59 by 2033. The structure is 90 ft (27.5 m) long and 21 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
Carries478 Ave
CrossesElkhorn River
Location2E 1.7 Atkinson
RouteCounty Highway 233
CountyHolt County
StateNebraska
Coordinates42.497, -98.932
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.3 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.5 m)
Longest span30 ft (9.2 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic59 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 478 Ave over Elkhorn River built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2020.

What condition is 478 Ave over Elkhorn River 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 September 2024.

How much traffic does 478 Ave over Elkhorn River carry?

About 35 vehicles per day (2003 count).

How long is 478 Ave over Elkhorn River?

The structure is 90 ft (27.5 m) long with a longest span of 30 ft (9.2 m) and a deck 21 ft wide.

Who owns 478 Ave over Elkhorn River?

It is owned by the County Highway Agency.