US Bridges

County Road 00 over Trib N.F. Arikaree River

Fair

Washington County, Colorado · 1.2 MI E. of CO RD Aa · Structure no. WTN00-BB.20

Built
1976
49 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
31
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 00 over Trib N.F. Arikaree River is a concrete continuous tee beam carrying County Road 00 over Trib N.F. Arikaree River in Washington County, Colorado. It was built in 1976, so it is 49 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 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 31 vehicles a day, roughly 58% of them trucks, projected to reach 39 by 2042. The structure is 127 ft (38.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 00
CrossesTrib N.F. Arikaree River
Location1.2 MI E. of CO RD Aa
RouteCounty Highway 0
Coordinates39.56633, -103.23319
Functional classRural Major 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span49 ft (14.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2023)
Projected traffic39 by 2042
Trucks58%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 00 over Trib N.F. Arikaree River built?

It was built in 1976, making it 49 years old in 2025.

What condition is County Road 00 over Trib N.F. Arikaree 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 00 over Trib N.F. Arikaree River carry?

About 31 vehicles per day (2023 count), of which roughly 58% are trucks.

How long is County Road 00 over Trib N.F. Arikaree River?

The structure is 127 ft (38.7 m) long with a longest span of 49 ft (14.8 m) and a deck 32 ft wide.

Who owns County Road 00 over Trib N.F. Arikaree River?

It is owned by the County Highway Agency.