US Bridges

NM-609 over I-40 Ebl/Wbl MP 22.75

Fair

McKinley County, New Mexico · Gallup / Exit 22 · Structure no. 000000000007618

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
273 ft
4 main spans
Daily traffic
13,937
2023 count
Owner
State
State Highway Agency

About this bridge

NM-609 over I-40 Ebl/Wbl MP 22.75 is a prestressed concrete stringer/multi-beam or girder carrying NM-609 over I-40 Ebl/Wbl MP 22.75 in McKinley County, New Mexico. It was built in 1978, so it is 47 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 fair condition with a lowest component rating of 5 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 13,937 vehicles a day, roughly 13% of them trucks, projected to reach 18,954 by 2043. The structure is 273 ft (83.2 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNM-609
CrossesI-40 Ebl/Wbl MP 22.75
LocationGallup / Exit 22
RouteState Highway 609
CountyMcKinley County
StateNew Mexico
Coordinates35.53328, -108.72692
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span85 ft (25.9 m)
Deck width79 ft (24.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,937 (2023)
Projected traffic18,954 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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-609 over I-40 Ebl/Wbl MP 22.75 built?

It was built in 1978, making it 47 years old in 2025.

What condition is NM-609 over I-40 Ebl/Wbl MP 22.75 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 July 2024.

How much traffic does NM-609 over I-40 Ebl/Wbl MP 22.75 carry?

About 13,937 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is NM-609 over I-40 Ebl/Wbl MP 22.75?

The structure is 273 ft (83.2 m) long with a longest span of 85 ft (25.9 m) and a deck 79 ft wide.

Who owns NM-609 over I-40 Ebl/Wbl MP 22.75?

It is owned by the State Highway Agency.