US Bridges

N14 over Republican River Trib

Good

Nuckolls County, Nebraska · 1SW Superior · Structure no. S014 00137

Built
1986
39 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,120
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over Republican River Trib is a concrete culvert carrying N14 over Republican River Trib 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 8 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 23 ft (7 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN14
CrossesRepublican River Trib
Location1SW Superior
RouteState Highway 14
Coordinates40.0177, -98.0857
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 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 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 Trib built?

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

What condition is N14 over Republican 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 July 2023.

How much traffic does N14 over Republican River Trib carry?

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

How long is N14 over Republican River Trib?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns N14 over Republican River Trib?

It is owned by the State Highway Agency.