US Bridges

FAS 1660 over Cottonwood Creek

FairPosted for load

Custer County, Nebraska · JCT N40/N21 11N 7.3W · Structure no. C002116420

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
360
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1660 over Cottonwood Creek is a steel stringer/multi-beam or girder carrying FAS 1660 over Cottonwood Creek in Custer County, Nebraska. It was built in 1963, so it is 62 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 360 vehicles a day, projected to reach 360 by 2033. The structure is 52 ft (15.8 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesFAS 1660
CrossesCottonwood Creek
LocationJCT N40/N21 11N 7.3W
RouteCounty Highway 1660
CountyCuster County
StateNebraska
Coordinates41.2914, -99.8957
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.7 US tons
Inventory rating17.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2011)
Projected traffic360 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1660 over Cottonwood Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is FAS 1660 over Cottonwood 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 October 2024.

How much traffic does FAS 1660 over Cottonwood Creek carry?

About 360 vehicles per day (2011 count).

How long is FAS 1660 over Cottonwood Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns FAS 1660 over Cottonwood Creek?

It is owned by the County Highway Agency.