US Bridges

County Road 10 over Eastdale NO.1 Canal

Fair

Costilla County, Colorado · 2.3 MI S of CR H · Structure no. CS10-S2.3-H

Built
2002
23 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
55 ft
2 main spans
Daily traffic
27
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over Eastdale NO.1 Canal is a steel continuous stringer/multi-beam or girder carrying County Road 10 over Eastdale NO.1 Canal in Costilla County, Colorado. It was built in 2002, so it is 23 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 27 vehicles a day, projected to reach 30 by 2042. The structure is 55 ft (16.9 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road 10
CrossesEastdale NO.1 Canal
Location2.3 MI S of CR H
RouteCounty Highway 0
Coordinates37.06342, -105.59263
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating47.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length55 ft (16.9 m)
Longest span23 ft (7.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2022)
Projected traffic30 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 10 over Eastdale NO.1 Canal built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 10 over Eastdale NO.1 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 10 over Eastdale NO.1 Canal carry?

About 27 vehicles per day (2022 count).

How long is County Road 10 over Eastdale NO.1 Canal?

The structure is 55 ft (16.9 m) long with a longest span of 23 ft (7.1 m) and a deck 28 ft wide.

Who owns County Road 10 over Eastdale NO.1 Canal?

It is owned by the County Highway Agency.