US Bridges

N71 over Stream

Fair

Dawes County, Nebraska · 9N Crawford · Structure no. S071 14523

Built
1962
63 years old, rebuilt 1993
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
185
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 1962 and reconstructed in 1993, so it is 63 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 185 vehicles a day, roughly 14% of them trucks, projected to reach 250 by 2038. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 130.5 mi (210 km).

Location

Open in Google Maps
CarriesN71
CrossesStream
Location9N Crawford
RouteState Highway 71
CountyDawes County
StateNebraska
Coordinates42.8129, -103.406
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 length31 ft (9.4 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 traffic185 (2018)
Projected traffic250 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed130.5 mi (210 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 1962, making it 63 years old in 2025. It was reconstructed in 1993.

What condition is N71 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does N71 over Stream carry?

About 185 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N71 over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns N71 over Stream?

It is owned by the State Highway Agency.