US Bridges

I-40 WB over NM-371

Good

McKinley County, New Mexico · Junction of I-40 & NM-371 · Structure no. 000000000009382

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
21,878
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over NM-371 is a prestressed concrete stringer/multi-beam or girder carrying I-40 WB over NM-371 in McKinley County, New Mexico. It was built in 2008, so it is 17 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 21,878 vehicles a day, roughly 45% of them trucks, projected to reach 29,754 by 2043. The structure is 68 ft (20.7 m) long and 43 ft wide.

CarriesI-40 WB
CrossesNM-371
LocationJunction of I-40 & NM-371
RouteInterstate 40
Coordinates35.39663, -108.2243
Functional classRural Principal Arterial - Interstate

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 inspectionOctober 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 rating68 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,878 (2023)
Projected traffic29,754 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-40 WB over NM-371 built?

It was built in 2008, making it 17 years old in 2025.

What condition is I-40 WB over NM-371 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 October 2024.

How much traffic does I-40 WB over NM-371 carry?

About 21,878 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 WB over NM-371?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns I-40 WB over NM-371?

It is owned by the State Highway Agency.