US Bridges

NB-N71 over FAS 1055 (21st Ave.)

Good

Scotts Bluff County, Nebraska · 1S 1E Gering · Structure no. S071 05850R

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
228 ft
3 main spans
Daily traffic
3,855
2018 count
Owner
State
State Highway Agency

About this bridge

NB-N71 over FAS 1055 (21st Ave.) is a prestressed concrete continuous stringer/multi-beam or girder carrying NB-N71 over FAS 1055 (21st Ave.) in Scotts Bluff County, Nebraska. It was built in 2004, so it is 21 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 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 3,855 vehicles a day, roughly 14% of them trucks, projected to reach 5,204 by 2038. The structure is 228 ft (69.5 m) long and 41 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesNB-N71
CrossesFAS 1055 (21st Ave.)
Location1S 1E Gering
RouteState Highway 71
CountyScotts Bluff County
StateNebraska
Coordinates41.813, -103.636
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length228 ft (69.5 m)
Longest span105 ft (32 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,855 (2018)
Projected traffic5,204 by 2038
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed49.7 mi (80 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 FAS 1055 (21st Ave.) built?

It was built in 2004, making it 21 years old in 2025.

What condition is NB-N71 over FAS 1055 (21st Ave.) 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 FAS 1055 (21st Ave.) carry?

About 3,855 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is NB-N71 over FAS 1055 (21st Ave.)?

The structure is 228 ft (69.5 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.

Who owns NB-N71 over FAS 1055 (21st Ave.)?

It is owned by the State Highway Agency.