US Bridges

County Road 25 over Yampa River

Fair

Moffat County, Colorado · 0.31 M N of 12 M Gulch RD · Structure no. MOF25-00.31-A

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
227 ft
2 main spans
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 25 over Yampa River is a steel continuous stringer/multi-beam or girder carrying County Road 25 over Yampa River in Moffat County, Colorado. It was built in 1990, so it is 35 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 10 vehicles a day, roughly 22% of them trucks, projected to reach 11 by 2042. The structure is 227 ft (69.3 m) long and 24 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesCounty Road 25
CrossesYampa River
Location0.31 M N of 12 M Gulch RD
RouteCounty Highway 0
Coordinates40.46098, -108.42583
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length227 ft (69.3 m)
Longest span109 ft (33.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic11 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 25 over Yampa River built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 25 over Yampa 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 25 over Yampa River carry?

About 10 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is County Road 25 over Yampa River?

The structure is 227 ft (69.3 m) long with a longest span of 109 ft (33.3 m) and a deck 24 ft wide.

Who owns County Road 25 over Yampa River?

It is owned by the County Highway Agency.