US Bridges

N14 over W Fk Big Blue River

Good

Hamilton County, Nebraska · 0N Clay/Hamilton Cl · Structure no. S014 05301

Built
1950
75 years old, rebuilt 1992
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
2,425
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over W Fk Big Blue River is a prestressed concrete tee beam carrying N14 over W Fk Big Blue River in Hamilton County, Nebraska. It was built in 1950 and reconstructed in 1992, so it is 75 years old, older 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 2,425 vehicles a day, roughly 16% of them trucks, projected to reach 3,153 by 2038. The structure is 137 ft (41.8 m) long and 42 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN14
CrossesW Fk Big Blue River
Location0N Clay/Hamilton Cl
RouteState Highway 14
Coordinates40.7032, -97.9972
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
Deck8 Very GoodNo problems noted.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length137 ft (41.8 m)
Longest span55 ft (16.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,425 (2018)
Projected traffic3,153 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 W Fk Big Blue River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1992.

What condition is N14 over W Fk Big Blue 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 W Fk Big Blue River carry?

About 2,425 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is N14 over W Fk Big Blue River?

The structure is 137 ft (41.8 m) long with a longest span of 55 ft (16.8 m) and a deck 42 ft wide.

Who owns N14 over W Fk Big Blue River?

It is owned by the State Highway Agency.