US Bridges

FAS 2920 over Big Blue River

FairPosted for load

Gage County, Nebraska · JCT N4/N103 .4E 6.2N · Structure no. C003402005

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
3 main spans
Daily traffic
475
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 2920 over Big Blue River is a steel continuous stringer/multi-beam or girder carrying FAS 2920 over Big Blue River in Gage County, Nebraska. It was built in 1965, so it is 60 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 475 vehicles a day, projected to reach 535 by 2033. The structure is 283 ft (86.3 m) long and 28 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesFAS 2920
CrossesBig Blue River
LocationJCT N4/N103 .4E 6.2N
RouteCounty Highway 2920
CountyGage County
StateNebraska
Coordinates40.3941, -96.9073
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment7: Better than present minimum criteria
Operating rating22 US tons
Inventory rating13.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOther
Main spans3
Design loadUnknown
Structure length283 ft (86.3 m)
Longest span122 ft (37.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2011)
Projected traffic535 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 2920 over Big Blue River built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAS 2920 over Big Blue River 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 November 2024.

How much traffic does FAS 2920 over Big Blue River carry?

About 475 vehicles per day (2011 count).

How long is FAS 2920 over Big Blue River?

The structure is 283 ft (86.3 m) long with a longest span of 122 ft (37.2 m) and a deck 28 ft wide.

Who owns FAS 2920 over Big Blue River?

It is owned by the County Highway Agency.