US Bridges

County Road P over Culebra Eastdale Canal

Fair

Costilla County, Colorado · 1 MI W of SH 159 · Structure no. CSLYC-W1.0S159A

Built
1992
33 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
374
2022 count
Owner
County
County Highway Agency

About this bridge

County Road P over Culebra Eastdale Canal is a steel stringer/multi-beam or girder carrying County Road P over Culebra Eastdale Canal in Costilla County, Colorado. It was built in 1992, so it is 33 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 374 vehicles a day, roughly 2% of them trucks, projected to reach 418 by 2042. The structure is 59 ft (17.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road P
CrossesCulebra Eastdale Canal
Location1 MI W of SH 159
RouteCounty Highway 0
CountyCostilla County
StateColorado
Coordinates37.18468, -105.51877
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating72.5 US tons
Inventory rating43.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (17.9 m)
Longest span54 ft (16.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic374 (2022)
Projected traffic418 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 P over Culebra Eastdale Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road P over Culebra Eastdale 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 March 2025.

How much traffic does County Road P over Culebra Eastdale Canal carry?

About 374 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road P over Culebra Eastdale Canal?

The structure is 59 ft (17.9 m) long with a longest span of 54 ft (16.4 m) and a deck 27 ft wide.

Who owns County Road P over Culebra Eastdale Canal?

It is owned by the County Highway Agency.