US Bridges

County Road Bb over Rocky Ford Highline Cana

Good

Otero County, Colorado · .3 MI E of CR 18 · Structure no. OT-BB-17-24-087

Built
1964
61 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

County Road Bb over Rocky Ford Highline Cana is a steel stringer/multi-beam or girder carrying County Road Bb over Rocky Ford Highline Cana in Otero County, Colorado. It was built in 1964, so it is 61 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 40 by 2042. The structure is 36 ft (10.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road Bb
CrossesRocky Ford Highline Cana
Location.3 MI E of CR 18
RouteCounty Highway 0
Coordinates37.99697, -103.74266
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than present minimum criteria
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 rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic40 by 2042
Trucks0%
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 Bb over Rocky Ford Highline Cana built?

It was built in 1964, making it 61 years old in 2025.

What condition is County Road Bb over Rocky Ford Highline Cana in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does County Road Bb over Rocky Ford Highline Cana carry?

About 35 vehicles per day (2022 count).

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

The structure is 36 ft (10.9 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns County Road Bb over Rocky Ford Highline Cana?

It is owned by the County Highway Agency.