US Bridges

485th Ave over Eagle Creek North Branch

Good

Holt County, Nebraska · 7W 11.8N Oneill · Structure no. C004524750

Built
1988
37 years old, rebuilt 2018
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

485th Ave over Eagle Creek North Branch is a steel stringer/multi-beam or girder carrying 485th Ave over Eagle Creek North Branch in Holt County, Nebraska. It was built in 1988 and reconstructed in 2018, so it is 37 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 10 vehicles a day, projected to reach 17 by 2033. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Carries485th Ave
CrossesEagle Creek North Branch
Location7W 11.8N Oneill
RouteCounty Highway 247
Coordinates42.635, -98.795
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.
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; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating48.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic17 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 485th Ave over Eagle Creek North Branch built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2018.

What condition is 485th Ave over Eagle Creek North Branch 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 485th Ave over Eagle Creek North Branch carry?

About 10 vehicles per day (2003 count).

How long is 485th Ave over Eagle Creek North Branch?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns 485th Ave over Eagle Creek North Branch?

It is owned by the County Highway Agency.