US Bridges

N14 over Republican River

Good

Nuckolls County, Nebraska · 1SW Superior · Structure no. S014 00122

Built
1986
39 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
3 main spans
Daily traffic
1,120
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over Republican River is a steel continuous stringer/multi-beam or girder carrying N14 over Republican River in Nuckolls County, Nebraska. It was built in 1986, so it is 39 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 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 1,120 vehicles a day, roughly 18% of them trucks, projected to reach 1,456 by 2038. The structure is 253 ft (77.1 m) long and 42 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN14
CrossesRepublican River
Location1SW Superior
RouteState Highway 14
Coordinates40.0167, -98.0881
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating79.4 US tons
Inventory rating47.4 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans3
Design loadHS 20
Structure length253 ft (77.1 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2018)
Projected traffic1,456 by 2038
Trucks18%
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

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 over Republican River built?

It was built in 1986, making it 39 years old in 2025.

What condition is N14 over Republican River 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 July 2023.

How much traffic does N14 over Republican River carry?

About 1,120 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is N14 over Republican River?

The structure is 253 ft (77.1 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns N14 over Republican River?

It is owned by the State Highway Agency.