US Bridges

NM-12 over S.U. Wash

Good

Catron County, New Mexico · 3.12 MI N JCT NM12&US · Structure no. 000000000009663

Built
2014
11 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
60 ft
1 main span
Daily traffic
979
2023 count
Owner
State
State Highway Agency

About this bridge

NM-12 over S.U. Wash is a concrete culvert carrying NM-12 over S.U. Wash in Catron County, New Mexico. It was built in 2014, so it is 11 years old, younger than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 979 vehicles a day, roughly 11% of them trucks, projected to reach 1,331 by 2043. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-12
CrossesS.U. Wash
Location3.12 MI N JCT NM12&US
RouteState Highway 12
Coordinates33.71165, -108.81351
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic979 (2023)
Projected traffic1,331 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-12 over S.U. Wash built?

It was built in 2014, making it 11 years old in 2025.

What condition is NM-12 over S.U. Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does NM-12 over S.U. Wash carry?

About 979 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-12 over S.U. Wash?

The structure is 60 ft (18.3 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns NM-12 over S.U. Wash?

It is owned by the State Highway Agency.