US Bridges

471st Ave over Elkhorn River

Good

Holt County, Nebraska · 4W 1.4N Atkinson · Structure no. C004511910

Built
2017
8 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
3 main spans
Daily traffic
60
1998 count
Owner
County
County Highway Agency

About this bridge

471st Ave over Elkhorn River is a steel stringer/multi-beam or girder carrying 471st Ave over Elkhorn River in Holt County, Nebraska. It was built in 2017, so it is 8 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 102 by 2033. The structure is 170 ft (51.8 m) long and 29 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
Carries471st Ave
CrossesElkhorn River
Location4W 1.4N Atkinson
RouteCounty Highway 7495
CountyHolt County
StateNebraska
Coordinates42.55597, -99.0679
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.3 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1998)
Projected traffic102 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 relocation of road
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 471st Ave over Elkhorn River built?

It was built in 2017, making it 8 years old in 2025.

What condition is 471st 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 2022.

How much traffic does 471st Ave over Elkhorn River carry?

About 60 vehicles per day (1998 count).

How long is 471st Ave over Elkhorn River?

The structure is 170 ft (51.8 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns 471st Ave over Elkhorn River?

It is owned by the County Highway Agency.