US Bridges

N 71 over Stream

Good

Kimball County, Nebraska · JCT US30/N71 Bypass .4S · Structure no. S071 01617

Built
2008
17 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,410
2018 count
Owner
State
State Highway Agency

About this bridge

N 71 over Stream is a concrete culvert carrying N 71 over Stream in Kimball County, Nebraska. It was built in 2008, so it is 17 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 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 1,410 vehicles a day, roughly 18% of them trucks, projected to reach 1,904 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesN 71
CrossesStream
LocationJCT US30/N71 Bypass .4S
RouteState Highway 71
CountyKimball County
StateNebraska
Coordinates41.2305, -103.6353
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
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 traffic1,410 (2018)
Projected traffic1,904 by 2038
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 N 71 over Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is N 71 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 2021.

How much traffic does N 71 over Stream carry?

About 1,410 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is N 71 over Stream?

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

Who owns N 71 over Stream?

It is owned by the State Highway Agency.