US Bridges

County Road H over Culebra Eastdale Canal

Fair

Costilla County, Colorado · 1 MI W of SH 159 · Structure no. CS248-0.5-HOLMA

Built
1994
31 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

County Road H over Culebra Eastdale Canal is a steel stringer/multi-beam or girder carrying County Road H over Culebra Eastdale Canal in Costilla County, Colorado. It was built in 1994, so it is 31 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 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 73 vehicles a day, roughly 20% of them trucks, projected to reach 81 by 2042. The structure is 52 ft (15.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road H
CrossesCulebra Eastdale Canal
Location1 MI W of SH 159
RouteCounty Highway 0
CountyCostilla County
StateColorado
Coordinates37.09853, -105.54874
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.7 US tons
Inventory rating46.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic81 by 2042
Trucks20%
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 H over Culebra Eastdale Canal built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road H 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 H over Culebra Eastdale Canal carry?

About 73 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is County Road H over Culebra Eastdale Canal?

The structure is 52 ft (15.9 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns County Road H over Culebra Eastdale Canal?

It is owned by the County Highway Agency.