US Bridges

NM-126 over Rio Cebolla

Fair

Sandoval County, New Mexico · 11.0 MI W of JCT NM-4 · Structure no. 000000000005898

Built
1935
90 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
Daily traffic
140
2023 count
Owner
State
State Highway Agency

About this bridge

NM-126 over Rio Cebolla is a wood or timber stringer/multi-beam or girder carrying NM-126 over Rio Cebolla in Sandoval County, New Mexico. It was built in 1935, so it is 90 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 140 vehicles a day, roughly 12% of them trucks, projected to reach 190 by 2043. The structure is 23 ft (7 m) long and 16 ft wide.

Location

Open in Google Maps
CarriesNM-126
CrossesRio Cebolla
Location11.0 MI W of JCT NM-4
RouteState Highway 126
CountySandoval County
StateNew Mexico
Coordinates35.90056, -106.71349
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic190 by 2043
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$26,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-126 over Rio Cebolla built?

It was built in 1935, making it 90 years old in 2025.

What condition is NM-126 over Rio Cebolla 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 NM-126 over Rio Cebolla carry?

About 140 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-126 over Rio Cebolla?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns NM-126 over Rio Cebolla?

It is owned by the State Highway Agency.