US Bridges

488th Ave over Elkhorn River

Good

Holt County, Nebraska · 4W Oneill · Structure no. C004515325

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
254 ft
5 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

488th Ave over Elkhorn River is a concrete continuous slab carrying 488th Ave over Elkhorn River in Holt County, Nebraska. It was built in 2020, so it is 5 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 15 vehicles a day, projected to reach 25 by 2033. The structure is 254 ft (77.4 m) long and 30 ft wide. If it were closed, the detour would be 87 mi (140 km).

Location

Open in Google Maps
Carries488th Ave
CrossesElkhorn River
Location4W Oneill
RouteCounty Highway 153
CountyHolt County
StateNebraska
Coordinates42.4606, -98.7359
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length254 ft (77.4 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed87 mi (140 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 488th Ave over Elkhorn River built?

It was built in 2020, making it 5 years old in 2025.

What condition is 488th 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 488th Ave over Elkhorn River carry?

About 15 vehicles per day (2003 count).

How long is 488th Ave over Elkhorn River?

The structure is 254 ft (77.4 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns 488th Ave over Elkhorn River?

It is owned by the County Highway Agency.