US Bridges

NM-371 over BNSF Railroad

Good

McKinley County, New Mexico · 0.3 MI N of I-40/THOREAU · Structure no. 000000000008603

Built
1986
39 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
3,698
2023 count
Owner
State
State Highway Agency

About this bridge

NM-371 over BNSF Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-371 over BNSF Railroad in McKinley County, New Mexico. It was built in 1986, so it is 39 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 3,698 vehicles a day, roughly 11% of them trucks, projected to reach 5,029 by 2043. The structure is 155 ft (47.2 m) long and 56 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNM-371
CrossesBNSF Railroad
Location0.3 MI N of I-40/THOREAU
RouteState Highway 371
Coordinates35.40078, -108.22399
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span68 ft (20.7 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,698 (2023)
Projected traffic5,029 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed9.9 mi (16 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 NM-371 over BNSF Railroad built?

It was built in 1986, making it 39 years old in 2025.

What condition is NM-371 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 July 2024.

How much traffic does NM-371 over BNSF Railroad carry?

About 3,698 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-371 over BNSF Railroad?

The structure is 155 ft (47.2 m) long with a longest span of 68 ft (20.7 m) and a deck 56 ft wide.

Who owns NM-371 over BNSF Railroad?

It is owned by the State Highway Agency.