US Bridges

NM-124 over BNSF Railroad

Good

Cibola County, New Mexico · 0.1 MI E of NM-279 · Structure no. 000000000005477

Built
1955
70 years old, rebuilt 2007
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
178 ft
3 main spans
Daily traffic
2,209
2023 count
Owner
State
State Highway Agency

About this bridge

NM-124 over BNSF Railroad is a steel continuous stringer/multi-beam or girder carrying NM-124 over BNSF Railroad in Cibola County, New Mexico. It was built in 1955 and reconstructed in 2007, 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 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 2,209 vehicles a day, roughly 11% of them trucks, projected to reach 3,004 by 2043. The structure is 178 ft (54.3 m) long and 66 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesNM-124
CrossesBNSF Railroad
Location0.1 MI E of NM-279
RouteState Highway 124
Coordinates35.0452, -107.39306
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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.9 US tons
Inventory rating35.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span67 ft (20.4 m)
Deck width66 ft (20 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,209 (2023)
Projected traffic3,004 by 2043
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$670,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-124 over BNSF Railroad built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2007.

What condition is NM-124 over BNSF Railroad 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 January 2024.

How much traffic does NM-124 over BNSF Railroad carry?

About 2,209 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-124 over BNSF Railroad?

The structure is 178 ft (54.3 m) long with a longest span of 67 ft (20.4 m) and a deck 66 ft wide.

Who owns NM-124 over BNSF Railroad?

It is owned by the State Highway Agency.