US Bridges

276th ST over Big Slough

Good

Douglas County, Nebraska · JCT US275/N64 .3E 2.9N · Structure no. C002811305

Built
1977
48 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
605
2011 count
Owner
County
County Highway Agency

About this bridge

276th ST over Big Slough is a concrete culvert carrying 276th ST over Big Slough in Douglas County, Nebraska. It was built in 1977, so it is 48 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 605 vehicles a day, projected to reach 455 by 2033. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries276th ST
CrossesBig Slough
LocationJCT US275/N64 .3E 2.9N
RouteCounty Highway 3795
CountyDouglas County
StateNebraska
Coordinates41.3627, -96.3488
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic605 (2011)
Projected traffic455 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 276th ST over Big Slough built?

It was built in 1977, making it 48 years old in 2025.

What condition is 276th ST 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 276th ST over Big Slough carry?

About 605 vehicles per day (2011 count).

How long is 276th ST over Big Slough?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns 276th ST over Big Slough?

It is owned by the County Highway Agency.