US Bridges

US-180 over Unnamed Waterway

Fair

Catron County, New Mexico · 16.2 MI N Grant/Catron Cl · Structure no. 000000000003443

Built
1956
69 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
39 ft
6 main spans
Daily traffic
533
2023 count
Owner
State
State Highway Agency

About this bridge

US-180 over Unnamed Waterway is a concrete culvert carrying US-180 over Unnamed Waterway in Catron County, New Mexico. It was built in 1956, so it is 69 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 533 vehicles a day, roughly 12% of them trucks, projected to reach 724 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-180
CrossesUnnamed Waterway
Location16.2 MI N Grant/Catron Cl
RouteU.S. Route 180
Coordinates33.40302, -108.90687
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2023)
Projected traffic724 by 2043
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-180 over Unnamed Waterway built?

It was built in 1956, making it 69 years old in 2025.

What condition is US-180 over Unnamed Waterway 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 June 2023.

How much traffic does US-180 over Unnamed Waterway carry?

About 533 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US-180 over Unnamed Waterway?

The structure is 39 ft (11.9 m) long with a longest span of 6 ft (1.8 m).

Who owns US-180 over Unnamed Waterway?

It is owned by the State Highway Agency.