US Bridges

County Road 39 over Cheyenne Creek

Fair

Prowers County, Colorado · 0.1 MI S of CR Kk · Structure no. PR39-38-31.9-67

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
101 ft
2 main spans
Daily traffic
43
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 39 over Cheyenne Creek is a steel continuous stringer/multi-beam or girder carrying County Road 39 over Cheyenne Creek in Prowers County, Colorado. It was built in 1960, so it is 65 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 5 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 43 vehicles a day, projected to reach 52 by 2042. The structure is 101 ft (30.7 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 39
CrossesCheyenne Creek
Location0.1 MI S of CR Kk
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.11296, -102.0445
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length101 ft (30.7 m)
Longest span48 ft (14.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2022)
Projected traffic52 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 39 over Cheyenne Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 39 over Cheyenne Creek 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 April 2023.

How much traffic does County Road 39 over Cheyenne Creek carry?

About 43 vehicles per day (2022 count).

How long is County Road 39 over Cheyenne Creek?

The structure is 101 ft (30.7 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.

Who owns County Road 39 over Cheyenne Creek?

It is owned by the County Highway Agency.