US Bridges

US275/N15 over Elkhorn River Trib

Good

Stanton County, Nebraska · 7NW Wisner · Structure no. S275 09561

Built
1957
68 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
6,630
2018 count
Owner
State
State Highway Agency

About this bridge

US275/N15 over Elkhorn River Trib is a concrete culvert carrying US275/N15 over Elkhorn River Trib in Stanton County, Nebraska. It was built in 1957, so it is 68 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 6,630 vehicles a day, roughly 19% of them trucks, projected to reach 9,945 by 2038. The structure is 36 ft (11 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS275/N15
CrossesElkhorn River Trib
Location7NW Wisner
RouteU.S. Route 275
Coordinates42.0186, -97.0291
Functional classRural Principal Arterial - Other

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,630 (2018)
Projected traffic9,945 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US275/N15 over Elkhorn River Trib built?

It was built in 1957, making it 68 years old in 2025.

What condition is US275/N15 over Elkhorn River Trib 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 June 2023.

How much traffic does US275/N15 over Elkhorn River Trib carry?

About 6,630 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is US275/N15 over Elkhorn River Trib?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m).

Who owns US275/N15 over Elkhorn River Trib?

It is owned by the State Highway Agency.