US Bridges

N14/N70 over Elkhorn River

Fair

Antelope County, Nebraska · 1SW Neligh · Structure no. S014 15517

Built
1964
61 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
3 main spans
Daily traffic
1,990
2018 count
Owner
State
State Highway Agency

About this bridge

N14/N70 over Elkhorn River is a steel continuous stringer/multi-beam or girder carrying N14/N70 over Elkhorn River in Antelope County, Nebraska. It was built in 1964 and reconstructed in 1991, so it is 61 years old, older 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 1,990 vehicles a day, roughly 12% of them trucks, projected to reach 2,886 by 2038. The structure is 301 ft (91.7 m) long and 42 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

CarriesN14/N70
CrossesElkhorn River
Location1SW Neligh
RouteState Highway 14
Coordinates42.1226, -98.0443
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span115 ft (35.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2018)
Projected traffic2,886 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 km)
TollOn a free road
National Highway SystemNo

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 N14/N70 over Elkhorn River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is N14/N70 over Elkhorn River 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 October 2024.

How much traffic does N14/N70 over Elkhorn River carry?

About 1,990 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N14/N70 over Elkhorn River?

The structure is 301 ft (91.7 m) long with a longest span of 115 ft (35.1 m) and a deck 42 ft wide.

Who owns N14/N70 over Elkhorn River?

It is owned by the State Highway Agency.