US Bridges

N71 over Tub Springs Creek

Good

Scotts Bluff County, Nebraska · 5N Scottsbluff · Structure no. S071 06747

Built
1946
79 years old, rebuilt 1988
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
1,270
2018 count
Owner
State
State Highway Agency

About this bridge

N71 over Tub Springs Creek is a concrete culvert carrying N71 over Tub Springs Creek in Scotts Bluff County, Nebraska. It was built in 1946 and reconstructed in 1988, so it is 79 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 1,270 vehicles a day, roughly 13% of them trucks, projected to reach 1,778 by 2038. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 68.4 mi (110 km).

CarriesN71
CrossesTub Springs Creek
Location5N Scottsbluff
RouteState Highway 71
Coordinates41.9468, -103.6777
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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
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 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 length41 ft (12.5 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 traffic1,270 (2018)
Projected traffic1,778 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 Tub Springs Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1988.

What condition is N71 over Tub Springs Creek 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 Tub Springs Creek carry?

About 1,270 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N71 over Tub Springs Creek?

The structure is 41 ft (12.5 m) long with a longest span of 12 ft (3.7 m).

Who owns N71 over Tub Springs Creek?

It is owned by the State Highway Agency.