US Bridges

FAS 1670 over Spring Creek

Fair

Custer County, Nebraska · JCT N21/N40 14N 4.7W · Structure no. C002135805

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
425
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1670 over Spring Creek is a concrete continuous slab carrying FAS 1670 over Spring 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.

It carries about 425 vehicles a day, projected to reach 425 by 2033. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesFAS 1670
CrossesSpring Creek
LocationJCT N21/N40 14N 4.7W
RouteCounty Highway 1670
Coordinates41.3356, -99.8643
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2011)
Projected traffic425 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 1670 over Spring Creek built?

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

What condition is FAS 1670 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 2024.

How much traffic does FAS 1670 over Spring Creek carry?

About 425 vehicles per day (2011 count).

How long is FAS 1670 over Spring Creek?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m) and a deck 29 ft wide.

Who owns FAS 1670 over Spring Creek?

It is owned by the County Highway Agency.