US Bridges

US-180 over Red Colt Canyon

Fair

Catron County, New Mexico · 4.7 MI N of Grant C/L · Structure no. 000000000005931

Built
1955
70 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
48 ft
4 main spans
Daily traffic
962
2023 count
Owner
State
State Highway Agency

About this bridge

US-180 over Red Colt Canyon is a concrete culvert carrying US-180 over Red Colt Canyon in Catron County, New Mexico. It was built in 1955, so it is 70 years old, older than the New Mexico average of 51.5 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 962 vehicles a day, roughly 11% of them trucks, projected to reach 1,308 by 2043. The structure is 48 ft (14.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS-180
CrossesRed Colt Canyon
Location4.7 MI N of Grant C/L
RouteU.S. Route 180
CountyCatron County
StateNew Mexico
Coordinates33.26, -108.8721
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length48 ft (14.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic962 (2023)
Projected traffic1,308 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$24,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-180 over Red Colt Canyon built?

It was built in 1955, making it 70 years old in 2025.

What condition is US-180 over Red Colt Canyon 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 August 2024.

How much traffic does US-180 over Red Colt Canyon carry?

About 962 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-180 over Red Colt Canyon?

The structure is 48 ft (14.7 m) long with a longest span of 10 ft (3 m).

Who owns US-180 over Red Colt Canyon?

It is owned by the State Highway Agency.