US Bridges

County Road 14 over Yampa River

Fair

Routt County, Colorado · 0.3 MI W of US HWY 40 · Structure no. 107001400.30704

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
674
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 14 over Yampa River is a prestressed concrete stringer/multi-beam or girder carrying County Road 14 over Yampa River in Routt County, Colorado. It was built in 1988, so it is 37 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 674 vehicles a day, roughly 21% of them trucks, projected to reach 802 by 2042. The structure is 105 ft (32 m) long and 33 ft wide.

CarriesCounty Road 14
CrossesYampa River
Location0.3 MI W of US HWY 40
RouteCounty Highway 0
Coordinates40.42875, -106.82755
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating22.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length105 ft (32 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic674 (2023)
Projected traffic802 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 14 over Yampa River built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Road 14 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 2024.

How much traffic does County Road 14 over Yampa River carry?

About 674 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is County Road 14 over Yampa River?

The structure is 105 ft (32 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns County Road 14 over Yampa River?

It is owned by the County Highway Agency.