US Bridges

FAS 1660 over South Loup River

FairPosted for load

Custer County, Nebraska · JCT N40/N21 .5S 10.6E · Structure no. C002107305P

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
80
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1660 over South Loup River is a steel stringer/multi-beam or girder carrying FAS 1660 over South Loup River 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 80 by 2033. The structure is 81 ft (24.7 m) long and 29 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

CarriesFAS 1660
CrossesSouth Loup River
LocationJCT N40/N21 .5S 10.6E
RouteCounty Highway 1660
Coordinates41.1278, -99.5596
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length81 ft (24.7 m)
Longest span78 ft (23.8 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2011)
Projected traffic80 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 South Loup River built?

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

What condition is FAS 1660 over South Loup 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 October 2023.

How much traffic does FAS 1660 over South Loup River carry?

About 80 vehicles per day (2011 count).

How long is FAS 1660 over South Loup River?

The structure is 81 ft (24.7 m) long with a longest span of 78 ft (23.8 m) and a deck 29 ft wide.

Who owns FAS 1660 over South Loup River?

It is owned by the County Highway Agency.