US Bridges

County Road 10 over Little Snake River

Good

Moffat County, Colorado · 12.4 MI So of ST HWY 318 · Structure no. MOF10-26.09-A

Built
1989
36 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
4
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over Little Snake River is a steel stringer/multi-beam or girder carrying County Road 10 over Little Snake River in Moffat County, Colorado. It was built in 1989, so it is 36 years old, younger than the Colorado average of 42.2 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 4 vehicles a day, roughly 23% of them trucks, projected to reach 5 by 2042. The structure is 129 ft (39.4 m) long and 24 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesCounty Road 10
CrossesLittle Snake River
Location12.4 MI So of ST HWY 318
RouteCounty Highway 0
Coordinates40.549, -108.42477
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length129 ft (39.4 m)
Longest span120 ft (36.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2023)
Projected traffic5 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 County Road 10 over Little Snake River built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road 10 over Little Snake River 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 October 2023.

How much traffic does County Road 10 over Little Snake River carry?

About 4 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is County Road 10 over Little Snake River?

The structure is 129 ft (39.4 m) long with a longest span of 120 ft (36.6 m) and a deck 24 ft wide.

Who owns County Road 10 over Little Snake River?

It is owned by the County Highway Agency.