US Bridges

FAS 1780 over Cottonwood Creek

Good

Valley County, Nebraska · JCT N22/N70 5N 8.8W · Structure no. C008802813

Built
1935
90 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
65
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1780 over Cottonwood Creek is a concrete culvert carrying FAS 1780 over Cottonwood Creek in Valley County, Nebraska. It was built in 1935, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, projected to reach 65 by 2033. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 142.9 mi (230 km).

CarriesFAS 1780
CrossesCottonwood Creek
LocationJCT N22/N70 5N 8.8W
RouteCounty Highway 1780
Coordinates41.5531, -99.1501
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2011)
Projected traffic65 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed142.9 mi (230 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 1780 over Cottonwood Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is FAS 1780 over Cottonwood Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does FAS 1780 over Cottonwood Creek carry?

About 65 vehicles per day (2011 count).

How long is FAS 1780 over Cottonwood Creek?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns FAS 1780 over Cottonwood Creek?

It is owned by the County Highway Agency.