US Bridges

I-40 Wbl over NM-118

Good

McKinley County, New Mexico · JCT I-40/NM-118 Gallup · Structure no. 000000000008835

Built
1993
32 years old, rebuilt 1995
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
1 main span
Daily traffic
17,255
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over NM-118 is a steel stringer/multi-beam or girder carrying I-40 Wbl over NM-118 in McKinley County, New Mexico. It was built in 1993 and reconstructed in 1995, so it is 32 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 17,255 vehicles a day, roughly 13% of them trucks, projected to reach 23,466 by 2042. The structure is 165 ft (50.3 m) long and 43 ft wide.

CarriesI-40 Wbl
CrossesNM-118
LocationJCT I-40/NM-118 Gallup
RouteInterstate 40
Coordinates35.5056, -108.83095
Functional classUrban 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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.3 US tons
Inventory rating60.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span160 ft (48.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,255 (2022)
Projected traffic23,466 by 2042
Trucks13%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$532,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 Wbl over NM-118 built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 1995.

What condition is I-40 Wbl over NM-118 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 August 2023.

How much traffic does I-40 Wbl over NM-118 carry?

About 17,255 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is I-40 Wbl over NM-118?

The structure is 165 ft (50.3 m) long with a longest span of 160 ft (48.8 m) and a deck 43 ft wide.

Who owns I-40 Wbl over NM-118?

It is owned by the State Highway Agency.