US Bridges

County Road O over White River

Fair

Rio Blanco County, Colorado · 0.05 MI E of CO RD 8 · Structure no. RIOB-000-00.01A

Built
2016
9 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
108
2023 count
Owner
County
County Highway Agency

About this bridge

County Road O over White River is a prestressed concrete stringer/multi-beam or girder carrying County Road O over White River in Rio Blanco County, Colorado. It was built in 2016, so it is 9 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 108 vehicles a day, roughly 60% of them trucks, projected to reach 130 by 2043. The structure is 102 ft (31.1 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road O
CrossesWhite River
Location0.05 MI E of CO RD 8
RouteCounty Highway 0
CountyRio Blanco County
StateColorado
Coordinates39.94739, -107.73211
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span97 ft (29.5 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2023)
Projected traffic130 by 2043
Trucks60%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 O over White River built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Road O 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 O over White River carry?

About 108 vehicles per day (2023 count), of which roughly 60% are trucks.

How long is County Road O over White River?

The structure is 102 ft (31.1 m) long with a longest span of 97 ft (29.5 m) and a deck 27 ft wide.

Who owns County Road O over White River?

It is owned by the County Highway Agency.