US Bridges

FAS 1055 21st Ave over North Platte River

Good

Scotts Bluff County, Nebraska · JCT N71/N92 1E 2.2N · Structure no. C007904514

Built
1979
46 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
431 ft
5 main spans
Daily traffic
4,870
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1055 21st Ave over North Platte River is a steel continuous stringer/multi-beam or girder carrying FAS 1055 21st Ave over North Platte River in Scotts Bluff County, Nebraska. It was built in 1979, so it is 46 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 4,870 vehicles a day, roughly 5% of them trucks, projected to reach 4,465 by 2033. The structure is 431 ft (131.4 m) long and 38 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesFAS 1055 21st Ave
CrossesNorth Platte River
LocationJCT N71/N92 1E 2.2N
RouteCounty Highway 1055
Coordinates41.8393, -103.6363
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating58.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length431 ft (131.4 m)
Longest span96 ft (29.3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,870 (2011)
Projected traffic4,465 by 2033
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 1055 21st Ave over North Platte River built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAS 1055 21st Ave over North Platte River 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 November 2022.

How much traffic does FAS 1055 21st Ave over North Platte River carry?

About 4,870 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is FAS 1055 21st Ave over North Platte River?

The structure is 431 ft (131.4 m) long with a longest span of 96 ft (29.3 m) and a deck 38 ft wide.

Who owns FAS 1055 21st Ave over North Platte River?

It is owned by the County Highway Agency.