US Bridges

N51 over Stream

Good

Cuming County, Nebraska · 8E Wisner · Structure no. S051 00853

Built
1963
62 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
995
2018 count
Owner
State
State Highway Agency

About this bridge

N51 over Stream is a concrete culvert carrying N51 over Stream in Cuming County, Nebraska. It was built in 1963, so it is 62 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 995 vehicles a day, roughly 30% of them trucks, projected to reach 1,294 by 2038. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN51
CrossesStream
Location8E Wisner
RouteState Highway 51
Coordinates42.0035, -96.7732
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.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadH 15
Structure length33 ft (10.1 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 traffic995 (2018)
Projected traffic1,294 by 2038
Trucks30%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N51 over Stream built?

It was built in 1963, making it 62 years old in 2025.

What condition is N51 over Stream 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 May 2023.

How much traffic does N51 over Stream carry?

About 995 vehicles per day (2018 count), of which roughly 30% are trucks.

How long is N51 over Stream?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns N51 over Stream?

It is owned by the State Highway Agency.