US Bridges

County RD 10.5 over Comanche Canal

Fair

Prowers County, Colorado · At CR Tt and CR 10.5 · Structure no. PR105-9.5-39-33

Built
1960
65 years old, rebuilt 1998
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 10.5 over Comanche Canal is a steel stringer/multi-beam or girder carrying County RD 10.5 over Comanche Canal in Prowers County, Colorado. It was built in 1960 and reconstructed in 1998, 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 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 21 vehicles a day, projected to reach 26 by 2042. The structure is 32 ft (9.9 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty RD 10.5
CrossesComanche Canal
LocationAt CR Tt and CR 10.5
RouteCounty Highway 0
Coordinates38.21497, -102.56781
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic26 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 RD 10.5 over Comanche Canal built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1998.

What condition is County RD 10.5 over Comanche Canal 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 RD 10.5 over Comanche Canal carry?

About 21 vehicles per day (2022 count).

How long is County RD 10.5 over Comanche Canal?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns County RD 10.5 over Comanche Canal?

It is owned by the County Highway Agency.