US Bridges

County Road 10 over White River

Fair

Rio Blanco County, Colorado · 0.08 MI East of CO RD 8 · Structure no. RIOB-010-00.08

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
81 ft
1 main span
Daily traffic
164
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over White River is a steel truss - thru carrying County Road 10 over White River in Rio Blanco County, Colorado. It was built in 1930 and reconstructed in 1970, so it is 95 years old, older 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 5 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 164 vehicles a day, roughly 38% of them trucks, projected to reach 196 by 2043. The structure is 81 ft (24.7 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Road 10
CrossesWhite River
Location0.08 MI East of CO RD 8
RouteCounty Highway 0
CountyRio Blanco County
StateColorado
Coordinates39.96561, -107.64669
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.4 US tons
Inventory rating32 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span79 ft (24 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2023)
Projected traffic196 by 2043
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.8 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 10 over White River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is County Road 10 over White 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 September 2024.

How much traffic does County Road 10 over White River carry?

About 164 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is County Road 10 over White River?

The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24 m) and a deck 20 ft wide.

Who owns County Road 10 over White River?

It is owned by the County Highway Agency.