US Bridges

Cb Cnty RD 401 over Little Sage Creek

Good

Carbon County, Wyoming · 21 MI S of Rawlins · Structure no. MHD

Built
2010
15 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
346
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 401 over Little Sage Creek is a concrete continuous culvert carrying Cb Cnty RD 401 over Little Sage Creek in Carbon County, Wyoming. It was built in 2010, so it is 15 years old, younger than the Wyoming average of 48.4 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 346 vehicles a day, roughly 14% of them trucks, projected to reach 484 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCb Cnty RD 401
CrossesLittle Sage Creek
Location21 MI S of Rawlins
RouteCounty Highway 401
StateWyoming
Coordinates41.60389, -107.27116
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic346 (2024)
Projected traffic484 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Cb Cnty RD 401 over Little Sage Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Cb Cnty RD 401 over Little Sage 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 June 2024.

How much traffic does Cb Cnty RD 401 over Little Sage Creek carry?

About 346 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Cb Cnty RD 401 over Little Sage Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Cb Cnty RD 401 over Little Sage Creek?

It is owned by the County Highway Agency.