US Bridges

US275/N15 over Elkhorn River Trib

Fair

Stanton County, Nebraska · 7NW Wisner · Structure no. S275 09504

Built
1982
43 years old
Condition
Fair
inspected June 2021
Type
Culvert
Steel
Length
25 ft
4 main spans
Daily traffic
6,630
2018 count
Owner
State
State Highway Agency

About this bridge

US275/N15 over Elkhorn River Trib is a steel culvert carrying US275/N15 over Elkhorn River Trib in Stanton County, Nebraska. It was built in 1982, so it is 43 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,630 vehicles a day, roughly 19% of them trucks, projected to reach 9,945 by 2038. The structure is 25 ft (7.6 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, -97.0394
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span4 ft (1.2 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 1982, making it 43 years old in 2025.

What condition is US275/N15 over Elkhorn River Trib in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2021.

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 25 ft (7.6 m) long with a longest span of 4 ft (1.2 m).

Who owns US275/N15 over Elkhorn River Trib?

It is owned by the State Highway Agency.