US Bridges

NB-N71 over Gering Valley Drain

Good

Scotts Bluff County, Nebraska · 3S Gering · Structure no. S071 05511R

Built
1936
89 years old, rebuilt 2014
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
3,840
2018 count
Owner
State
State Highway Agency

About this bridge

NB-N71 over Gering Valley Drain is a steel continuous stringer/multi-beam or girder carrying NB-N71 over Gering Valley Drain in Scotts Bluff County, Nebraska. It was built in 1936 and reconstructed in 2014, so it is 89 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 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 3,840 vehicles a day, roughly 13% of them trucks, projected to reach 5,760 by 2038. The structure is 151 ft (46 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesNB-N71
CrossesGering Valley Drain
Location3S Gering
RouteState Highway 71
Coordinates41.7815, -103.6746
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length151 ft (46 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,840 (2018)
Projected traffic5,760 by 2038
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 NB-N71 over Gering Valley Drain built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2014.

What condition is NB-N71 over Gering Valley Drain 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 NB-N71 over Gering Valley Drain carry?

About 3,840 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is NB-N71 over Gering Valley Drain?

The structure is 151 ft (46 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns NB-N71 over Gering Valley Drain?

It is owned by the State Highway Agency.