US Bridges

N71 over Stream

Good

Kimball County, Nebraska · 5S Kimball · Structure no. S071 01164

Built
1991
34 years old, rebuilt 2009
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
57 ft
4 main spans
Daily traffic
1,490
2018 count
Owner
State
State Highway Agency

About this bridge

N71 over Stream is a concrete culvert carrying N71 over Stream in Kimball County, Nebraska. It was built in 1991 and reconstructed in 2009, so it is 34 years old, younger 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 1,490 vehicles a day, roughly 20% of them trucks, projected to reach 2,086 by 2038. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 68.4 mi (110 km).

CarriesN71
CrossesStream
Location5S Kimball
RouteState Highway 71
Coordinates41.1644, -103.6634
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 spans4
Design loadHS 20
Structure length57 ft (17.4 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 traffic1,490 (2018)
Projected traffic2,086 by 2038
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 km)
TollOn a free road
National Highway SystemYes

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 N71 over Stream built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2009.

What condition is N71 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 October 2023.

How much traffic does N71 over Stream carry?

About 1,490 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is N71 over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 12 ft (3.7 m).

Who owns N71 over Stream?

It is owned by the State Highway Agency.