US Bridges

N71 over Stream

Good

Dawes County, Nebraska · 3N Crawford · Structure no. S071 13924

Built
1959
66 years old, rebuilt 1993
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
345
2018 count
Owner
State
State Highway Agency

About this bridge

N71 over Stream is a concrete culvert carrying N71 over Stream in Dawes County, Nebraska. It was built in 1959 and reconstructed in 1993, so it is 66 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 345 vehicles a day, roughly 13% of them trucks, projected to reach 466 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN71
CrossesStream
Location3N Crawford
RouteState Highway 71
Coordinates42.7264, -103.4037
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
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 length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2018)
Projected traffic466 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 N71 over Stream built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

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 May 2024.

How much traffic does N71 over Stream carry?

About 345 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N71 over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns N71 over Stream?

It is owned by the State Highway Agency.