US Bridges

County Road 15 over Ft. Lyon Canal

Good

Bent County, Colorado · 2.6 MI N of SH 50 · Structure no. BT1515-34.8-21A

Built
1995
30 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 15 over Ft. Lyon Canal is a steel stringer/multi-beam or girder carrying County Road 15 over Ft. Lyon Canal in Bent County, Colorado. It was built in 1995, so it is 30 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 24 vehicles a day, projected to reach 28 by 2042. The structure is 73 ft (22.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 15
CrossesFt. Lyon Canal
Location2.6 MI N of SH 50
RouteCounty Highway 0
CountyBent County
StateColorado
Coordinates38.13894, -103.14294
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating75.7 US tons
Inventory rating45.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.2 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic28 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 15 over Ft. Lyon Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 15 over Ft. Lyon Canal 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 January 2024.

How much traffic does County Road 15 over Ft. Lyon Canal carry?

About 24 vehicles per day (2022 count).

How long is County Road 15 over Ft. Lyon Canal?

The structure is 73 ft (22.2 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns County Road 15 over Ft. Lyon Canal?

It is owned by the County Highway Agency.