US Bridges

N14 over W.Fk.Big Blue Rvr Trib

Good

Clay County, Nebraska · 0S Clay/Hamilton Co. Line · Structure no. S014 05265

Built
1958
67 years old, rebuilt 1989
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,660
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over W.Fk.Big Blue Rvr Trib is a concrete culvert carrying N14 over W.Fk.Big Blue Rvr Trib in Clay County, Nebraska. It was built in 1958 and reconstructed in 1989, so it is 67 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 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 1,660 vehicles a day, roughly 18% of them trucks, projected to reach 2,158 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesN14
CrossesW.Fk.Big Blue Rvr Trib
Location0S Clay/Hamilton Co. Line
RouteState Highway 14
CountyClay County
StateNebraska
Coordinates40.6981, -97.997
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 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 traffic1,660 (2018)
Projected traffic2,158 by 2038
Trucks18%
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 Rvr Trib built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1989.

What condition is N14 over W.Fk.Big Blue Rvr 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 August 2023.

How much traffic does N14 over W.Fk.Big Blue Rvr Trib carry?

About 1,660 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is N14 over W.Fk.Big Blue Rvr Trib?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N14 over W.Fk.Big Blue Rvr Trib?

It is owned by the State Highway Agency.