US Bridges

264th Street over Big Slough

Good

Douglas County, Nebraska · 2N 1E of Valley · Structure no. C002801510

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
103
2005 count
Owner
County
County Highway Agency

About this bridge

264th Street over Big Slough is a concrete continuous slab carrying 264th Street over Big Slough in Douglas 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 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 103 vehicles a day, projected to reach 62 by 2033. The structure is 68 ft (20.6 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Carries264th Street
CrossesBig Slough
Location2N 1E of Valley
RouteCounty Highway 15
Coordinates41.353, -96.3309
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating44.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length68 ft (20.6 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2005)
Projected traffic62 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 264th Street over Big Slough built?

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

What condition is 264th Street over Big Slough 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 264th Street over Big Slough carry?

About 103 vehicles per day (2005 count).

How long is 264th Street over Big Slough?

The structure is 68 ft (20.6 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns 264th Street over Big Slough?

It is owned by the County Highway Agency.