US Bridges

N14 over Walnut Creek

Poor

Nuckolls County, Nebraska · 7.8N Nelson · Structure no. S014 02356

Built
1937
88 years old, rebuilt 1980
Condition
Poor
inspected July 2023
Type
Slab
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
1,585
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over Walnut Creek is a concrete continuous slab carrying N14 over Walnut Creek in Nuckolls County, Nebraska. It was built in 1937 and reconstructed in 1980, so it is 88 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,585 vehicles a day, roughly 17% of them trucks, projected to reach 2,219 by 2038. The structure is 65 ft (19.8 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN14
CrossesWalnut Creek
Location7.8N Nelson
RouteState Highway 14
Coordinates40.3248, -98.0673
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating30.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length65 ft (19.8 m)
Longest span26 ft (7.9 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,585 (2018)
Projected traffic2,219 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N14 over Walnut Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1980.

What condition is N14 over Walnut Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does N14 over Walnut Creek carry?

About 1,585 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is N14 over Walnut Creek?

The structure is 65 ft (19.8 m) long with a longest span of 26 ft (7.9 m) and a deck 42 ft wide.

Who owns N14 over Walnut Creek?

It is owned by the State Highway Agency.