US Bridges

County Road 18 over Rocky Ford Highline Cana

Fair

Otero County, Colorado · .1 MI N of CR Dd · Structure no. OT-18-17-26-069

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
480
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 18 over Rocky Ford Highline Cana is a prestressed concrete tee beam carrying County Road 18 over Rocky Ford Highline Cana in Otero County, Colorado. It was built in 1973, so it is 52 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.

It carries about 480 vehicles a day, roughly 10% of them trucks, projected to reach 543 by 2042. The structure is 25 ft (7.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 18
CrossesRocky Ford Highline Cana
Location.1 MI N of CR Dd
RouteCounty Highway 0
Coordinates38.027, -103.74791
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span22 ft (6.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2022)
Projected traffic543 by 2042
Trucks10%
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 18 over Rocky Ford Highline Cana built?

It was built in 1973, making it 52 years old in 2025.

What condition is County Road 18 over Rocky Ford Highline Cana 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 18 over Rocky Ford Highline Cana carry?

About 480 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is County Road 18 over Rocky Ford Highline Cana?

The structure is 25 ft (7.5 m) long with a longest span of 22 ft (6.8 m) and a deck 24 ft wide.

Who owns County Road 18 over Rocky Ford Highline Cana?

It is owned by the County Highway Agency.