US Bridges

County Road 8 over Ft. Lyon Canal

Fair

Prowers County, Colorado · Just N of CR Vv · Structure no. PR8-7-41.1-16

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
329
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 8 over Ft. Lyon Canal is a steel stringer/multi-beam or girder carrying County Road 8 over Ft. Lyon Canal in Prowers County, Colorado. It was built in 1965, so it is 60 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 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 329 vehicles a day, roughly 2% of them trucks, projected to reach 392 by 2042. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 8
CrossesFt. Lyon Canal
LocationJust N of CR Vv
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.24572, -102.61406
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.2 US tons
Inventory rating15.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span28 ft (8.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic329 (2022)
Projected traffic392 by 2042
Trucks2%
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 8 over Ft. Lyon Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is County Road 8 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 April 2023.

How much traffic does County Road 8 over Ft. Lyon Canal carry?

About 329 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 8 over Ft. Lyon Canal?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.4 m) and a deck 24 ft wide.

Who owns County Road 8 over Ft. Lyon Canal?

It is owned by the County Highway Agency.