US Bridges

County Road Y over N. Fork Arikaree River

FairPosted for load

Washington County, Colorado · 0.6 Mi. N. of Co. Rd. 0 · Structure no. WTNY-0.60

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
73 ft
3 main spans
Daily traffic
3
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Y over N. Fork Arikaree River is a steel continuous stringer/multi-beam or girder carrying County Road Y over N. Fork Arikaree River in Washington County, Colorado. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 3 vehicles a day, roughly 24% of them trucks, projected to reach 4 by 2042. The structure is 73 ft (22.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road Y
CrossesN. Fork Arikaree River
Location0.6 Mi. N. of Co. Rd. 0
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates39.57439, -103.29333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.3 US tons
Inventory rating7.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.1 m)
Longest span28 ft (8.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (2023)
Projected traffic4 by 2042
Trucks24%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$196,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road Y over N. Fork Arikaree River built?

It was built in 1967, making it 58 years old in 2025.

What condition is County Road Y over N. Fork 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 Y over N. Fork Arikaree River carry?

About 3 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is County Road Y over N. Fork Arikaree River?

The structure is 73 ft (22.1 m) long with a longest span of 28 ft (8.4 m) and a deck 24 ft wide.

Who owns County Road Y over N. Fork Arikaree River?

It is owned by the County Highway Agency.