US Bridges

FAS 1660 over Spring Creek

Fair

Custer County, Nebraska · JCT N40/N21 9.4N 2.3W · Structure no. C002106605P

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
330
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1660 over Spring Creek is a prestressed concrete tee beam carrying FAS 1660 over Spring Creek in Custer County, Nebraska. It was built in 1978, so it is 47 years old, younger 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.

It carries about 330 vehicles a day, projected to reach 330 by 2033. The structure is 107 ft (32.6 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesFAS 1660
CrossesSpring Creek
LocationJCT N40/N21 9.4N 2.3W
RouteCounty Highway 1660
CountyCuster County
StateNebraska
Coordinates41.2703, -99.8015
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span36 ft (11 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2011)
Projected traffic330 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 Spring Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAS 1660 over Spring 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 2023.

How much traffic does FAS 1660 over Spring Creek carry?

About 330 vehicles per day (2011 count).

How long is FAS 1660 over Spring Creek?

The structure is 107 ft (32.6 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns FAS 1660 over Spring Creek?

It is owned by the County Highway Agency.