US Bridges

County Road 10 over Ft. Lyon Canal Overflow

Good

Prowers County, Colorado · .2 MI S of CR Ss · Structure no. PR10-9-37.8-36A

Built
1997
28 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
95
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over Ft. Lyon Canal Overflow is a steel stringer/multi-beam or girder carrying County Road 10 over Ft. Lyon Canal Overflow in Prowers County, Colorado. It was built in 1997, so it is 28 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 95 vehicles a day, projected to reach 113 by 2042. The structure is 30 ft (9.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 10
CrossesFt. Lyon Canal Overflow
Location.2 MI S of CR Ss
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.19874, -102.57608
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span26 ft (7.9 m)
Deck width36 ft (11 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2022)
Projected traffic113 by 2042
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 10 over Ft. Lyon Canal Overflow built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 10 over Ft. Lyon Canal Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does County Road 10 over Ft. Lyon Canal Overflow carry?

About 95 vehicles per day (2022 count).

How long is County Road 10 over Ft. Lyon Canal Overflow?

The structure is 30 ft (9.2 m) long with a longest span of 26 ft (7.9 m) and a deck 36 ft wide.

Who owns County Road 10 over Ft. Lyon Canal Overflow?

It is owned by the County Highway Agency.