US Bridges

FAS 3665 over Little Nemaha River

FairPosted for load

Otoe County, Nebraska · JCT N2/N50 5W .7N · Structure no. C006622115

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
3 main spans
Daily traffic
180
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 3665 over Little Nemaha River is a steel continuous stringer/multi-beam or girder carrying FAS 3665 over Little Nemaha River in Otoe County, Nebraska. It was built in 1950, so it is 75 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 6 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 180 vehicles a day, projected to reach 165 by 2033. The structure is 257 ft (78.3 m) long and 24 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesFAS 3665
CrossesLittle Nemaha River
LocationJCT N2/N50 5W .7N
RouteCounty Highway 3665
CountyOtoe County
StateNebraska
Coordinates40.6763, -96.2746
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length257 ft (78.3 m)
Longest span98 ft (29.9 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2011)
Projected traffic165 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 3665 over Little Nemaha River built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAS 3665 over Little Nemaha 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 3665 over Little Nemaha River carry?

About 180 vehicles per day (2011 count).

How long is FAS 3665 over Little Nemaha River?

The structure is 257 ft (78.3 m) long with a longest span of 98 ft (29.9 m) and a deck 24 ft wide.

Who owns FAS 3665 over Little Nemaha River?

It is owned by the County Highway Agency.