US Bridges

County Road Dd over Catlin Canal

Fair

Otero County, Colorado · Just W of CR 20.5 · Structure no. OTDD-19-26-103A

Built
1991
34 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

County Road Dd over Catlin Canal is a steel stringer/multi-beam or girder carrying County Road Dd over Catlin Canal in Otero County, Colorado. It was built in 1991, so it is 34 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 175 vehicles a day, roughly 2% of them trucks, projected to reach 197 by 2042. The structure is 40 ft (12.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty Road Dd
CrossesCatlin Canal
LocationJust W of CR 20.5
RouteCounty Highway 0
CountyOtero County
StateColorado
Coordinates38.02605, -103.70219
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating27.1 US tons
Inventory rating16.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span37 ft (11.2 m)
Deck width26 ft (7.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic197 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Dd over Catlin Canal built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road Dd over Catlin 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 November 2023.

How much traffic does County Road Dd over Catlin Canal carry?

About 175 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road Dd over Catlin Canal?

The structure is 40 ft (12.3 m) long with a longest span of 37 ft (11.2 m) and a deck 26 ft wide.

Who owns County Road Dd over Catlin Canal?

It is owned by the County Highway Agency.