US Bridges

County Road 28 over Arikaree River

Fair

Lincoln County, Colorado · 0.5 Miles S of Road 3V · Structure no. LIN-28-3U.5A

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
3 main spans
Daily traffic
39
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 28 over Arikaree River is a steel continuous stringer/multi-beam or girder carrying County Road 28 over Arikaree River in Lincoln County, Colorado. It was built in 1991, so it is 34 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 39 vehicles a day, projected to reach 50 by 2040. The structure is 193 ft (58.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 28
CrossesArikaree River
Location0.5 Miles S of Road 3V
RouteCounty Highway 0
CountyLincoln County
StateColorado
Coordinates39.44019, -103.54814
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.6 US tons
Inventory rating24.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length193 ft (58.8 m)
Longest span74 ft (22.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2020)
Projected traffic50 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 28 over Arikaree River built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 28 over 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 May 2023.

How much traffic does County Road 28 over Arikaree River carry?

About 39 vehicles per day (2020 count).

How long is County Road 28 over Arikaree River?

The structure is 193 ft (58.8 m) long with a longest span of 74 ft (22.5 m) and a deck 29 ft wide.

Who owns County Road 28 over Arikaree River?

It is owned by the County Highway Agency.