US Bridges

NM-126 over Rio De Las Vacas

Good

Sandoval County, New Mexico · 12.2 Mi. E. Jct. US 550 · Structure no. 000000000009327

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
53
2023 count
Owner
State
State Highway Agency

About this bridge

NM-126 over Rio De Las Vacas is a prestressed concrete stringer/multi-beam or girder carrying NM-126 over Rio De Las Vacas in Sandoval County, New Mexico. It was built in 2004, so it is 21 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 53 vehicles a day, roughly 11% of them trucks, projected to reach 72 by 2043. The structure is 72 ft (21.9 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-126
CrossesRio De Las Vacas
Location12.2 Mi. E. Jct. US 550
RouteState Highway 126
Coordinates35.99661, -106.80634
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 alignment8: Equal to present desirable criteria
Operating rating47.7 US tons
Inventory rating28.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span71 ft (21.6 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic53 (2023)
Projected traffic72 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-126 over Rio De Las Vacas built?

It was built in 2004, making it 21 years old in 2025.

What condition is NM-126 over Rio De Las Vacas 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 May 2024.

How much traffic does NM-126 over Rio De Las Vacas carry?

About 53 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-126 over Rio De Las Vacas?

The structure is 72 ft (21.9 m) long with a longest span of 71 ft (21.6 m) and a deck 35 ft wide.

Who owns NM-126 over Rio De Las Vacas?

It is owned by the State Highway Agency.