US Bridges

County Road 27 over Arikaree River

Poor

Lincoln County, Colorado · .8 MI North of CR T · Structure no. LIN-27-3T.8

Built
1999
26 years old
Condition
Poor
inspected May 2023
Type
Culvert
Steel
Length
42 ft
4 main spans
Daily traffic
8
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 27 over Arikaree River is a steel culvert carrying County Road 27 over Arikaree River in Lincoln County, Colorado. It was built in 1999, so it is 26 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8 vehicles a day, projected to reach 10 by 2040. The structure is 42 ft (12.8 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 27
CrossesArikaree River
Location.8 MI North of CR T
RouteCounty Highway 0
Coordinates39.42973, -103.56678
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span8 ft (2.4 m)
Deck width60 ft (18.2 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2020)
Projected traffic10 by 2040
Trucks0%
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 27 over Arikaree River built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 27 over Arikaree River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does County Road 27 over Arikaree River carry?

About 8 vehicles per day (2020 count).

How long is County Road 27 over Arikaree River?

The structure is 42 ft (12.8 m) long with a longest span of 8 ft (2.4 m) and a deck 60 ft wide.

Who owns County Road 27 over Arikaree River?

It is owned by the County Highway Agency.