US Bridges

N12 over Big Beaver Creek

Good

Cherry County, Nebraska · 8NE Valentine · Structure no. S012 00783

Built
1960
65 years old, rebuilt 1989
Condition
Good
inspected March 2025
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
475
2018 count
Owner
State
State Highway Agency

About this bridge

N12 over Big Beaver Creek is a concrete culvert carrying N12 over Big Beaver Creek in Cherry County, Nebraska. It was built in 1960 and reconstructed in 1989, so it is 65 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 475 vehicles a day, roughly 12% of them trucks, projected to reach 713 by 2038. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 68.4 mi (110 km).

CarriesN12
CrossesBig Beaver Creek
Location8NE Valentine
RouteState Highway 12
Coordinates42.9403, -100.4575
Functional classRural Major Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2018)
Projected traffic713 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 N12 over Big Beaver Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1989.

What condition is N12 over Big Beaver Creek 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 March 2025.

How much traffic does N12 over Big Beaver Creek carry?

About 475 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N12 over Big Beaver Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns N12 over Big Beaver Creek?

It is owned by the State Highway Agency.