US Bridges

County Road 43 over Arikaree River

FairPosted for load

Lincoln County, Colorado · 1.0 Mile South of Road 3X · Structure no. LIN-43-3W

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
5 main spans
Daily traffic
63
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 43 over Arikaree River is a steel continuous stringer/multi-beam or girder carrying County Road 43 over Arikaree River in Lincoln County, Colorado. It was built in 1979, so it is 46 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 63 vehicles a day, projected to reach 80 by 2040. The structure is 180 ft (55 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 43
CrossesArikaree River
Location1.0 Mile South of Road 3X
RouteCounty Highway 0
CountyLincoln County
StateColorado
Coordinates39.46418, -103.26624
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.7 US tons
Inventory rating5.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length180 ft (55 m)
Longest span38 ft (11.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2020)
Projected traffic80 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 43 over Arikaree River built?

It was built in 1979, making it 46 years old in 2025.

What condition is County Road 43 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 43 over Arikaree River carry?

About 63 vehicles per day (2020 count).

How long is County Road 43 over Arikaree River?

The structure is 180 ft (55 m) long with a longest span of 38 ft (11.7 m) and a deck 24 ft wide.

Who owns County Road 43 over Arikaree River?

It is owned by the County Highway Agency.