US Bridges

FAS 3180 over Antelope Creek

FairPosted for load

Cedar County, Nebraska · JCT US81/N121 1.8E · Structure no. C001400220

Built
1935
90 years old, rebuilt 1978
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
805
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 3180 over Antelope Creek is a steel stringer/multi-beam or girder carrying FAS 3180 over Antelope Creek in Cedar County, Nebraska. It was built in 1935 and reconstructed in 1978, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 805 vehicles a day, projected to reach 805 by 2033. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesFAS 3180
CrossesAntelope Creek
LocationJCT US81/N121 1.8E
RouteCounty Highway 3180
CountyCedar County
StateNebraska
Coordinates42.8447, -97.3674
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic805 (2011)
Projected traffic805 by 2033
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 3180 over Antelope Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1978.

What condition is FAS 3180 over Antelope Creek 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 July 2023.

How much traffic does FAS 3180 over Antelope Creek carry?

About 805 vehicles per day (2011 count).

How long is FAS 3180 over Antelope Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns FAS 3180 over Antelope Creek?

It is owned by the County Highway Agency.