US Bridges

County Road 65 over S F Williams Fork River

Fair

Moffat County, Colorado · 0.77 Mi. So of Rc Line · Structure no. MOF65-00.77

Built
1986
39 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
33
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 65 over S F Williams Fork River is a steel stringer/multi-beam or girder carrying County Road 65 over S F Williams Fork River in Moffat County, Colorado. It was built in 1986, so it is 39 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 33 vehicles a day, roughly 51% of them trucks, projected to reach 39 by 2042. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCounty Road 65
CrossesS F Williams Fork River
Location0.77 Mi. So of Rc Line
RouteCounty Highway 0
CountyMoffat County
StateColorado
Coordinates40.2457, -107.44554
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span36 ft (11.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2023)
Projected traffic39 by 2042
Trucks51%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 65 over S F Williams Fork River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 65 over S F Williams Fork 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 County Road 65 over S F Williams Fork River carry?

About 33 vehicles per day (2023 count), of which roughly 51% are trucks.

How long is County Road 65 over S F Williams Fork River?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11.1 m) and a deck 24 ft wide.

Who owns County Road 65 over S F Williams Fork River?

It is owned by the County Highway Agency.