US Bridges

County Road 13 over Ft. Lyon Canal

Fair

Bent County, Colorado · 2.2 MI N of SH 50 · Structure no. BT13-13-365-19A

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 13 over Ft. Lyon Canal is a steel stringer/multi-beam or girder carrying County Road 13 over Ft. Lyon Canal in Bent County, Colorado. It was built in 1985, so it is 40 years old, younger 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 180 vehicles a day, projected to reach 207 by 2042. The structure is 47 ft (14.2 m) long and 20 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesCounty Road 13
CrossesFt. Lyon Canal
Location2.2 MI N of SH 50
RouteCounty Highway 0
Coordinates38.12219, -103.17927
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.7 US tons
Inventory rating34.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length47 ft (14.2 m)
Longest span45 ft (13.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic207 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 13 over Ft. Lyon Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 13 over Ft. Lyon 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 January 2024.

How much traffic does County Road 13 over Ft. Lyon Canal carry?

About 180 vehicles per day (2022 count).

How long is County Road 13 over Ft. Lyon Canal?

The structure is 47 ft (14.2 m) long with a longest span of 45 ft (13.6 m) and a deck 20 ft wide.

Who owns County Road 13 over Ft. Lyon Canal?

It is owned by the County Highway Agency.