US Bridges

County Road Jj over Ft. Lyon Canal

Fair

Bent County, Colorado · .7 MI W of CR 5.5 · Structure no. BTJJ-4.7-32-62A

Built
1996
29 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
2
2022 count
Owner
County
County Highway Agency

About this bridge

County Road Jj over Ft. Lyon Canal is a steel stringer/multi-beam or girder carrying County Road Jj over Ft. Lyon Canal in Bent County, Colorado. It was built in 1996, so it is 29 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 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 2 vehicles a day, projected to reach 2 by 2042. The structure is 73 ft (22.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road Jj
CrossesFt. Lyon Canal
Location.7 MI W of CR 5.5
RouteCounty Highway 0
Coordinates38.09914, -103.32972
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
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 traffic2 (2022)
Projected traffic2 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Jj over Ft. Lyon Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road Jj 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 Jj over Ft. Lyon Canal carry?

About 2 vehicles per day (2022 count).

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

It is owned by the County Highway Agency.