US Bridges

County Road 805 over Ft.Lyon Stg Canal Sluice

FairPosted for load

Otero County, Colorado · .3 MI W of SH 71 · Structure no. OT805-17-32-211

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
26 ft
1 main span
Daily traffic
17
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 805 over Ft.Lyon Stg Canal Sluice is a wood or timber stringer/multi-beam or girder carrying County Road 805 over Ft.Lyon Stg Canal Sluice in Otero County, Colorado. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 17 vehicles a day, projected to reach 19 by 2042. The structure is 26 ft (7.8 m) long and 18 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCounty Road 805
CrossesFt.Lyon Stg Canal Sluice
Location.3 MI W of SH 71
RouteCounty Highway 0
CountyOtero County
StateColorado
Coordinates38.10994, -103.758
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating33.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span22 ft (6.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2022)
Projected traffic19 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 805 over Ft.Lyon Stg Canal Sluice built?

It was built in 1968, making it 57 years old in 2025.

What condition is County Road 805 over Ft.Lyon Stg Canal Sluice 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 November 2023.

How much traffic does County Road 805 over Ft.Lyon Stg Canal Sluice carry?

About 17 vehicles per day (2022 count).

How long is County Road 805 over Ft.Lyon Stg Canal Sluice?

The structure is 26 ft (7.8 m) long with a longest span of 22 ft (6.8 m) and a deck 18 ft wide.

Who owns County Road 805 over Ft.Lyon Stg Canal Sluice?

It is owned by the County Highway Agency.