US Bridges

I-40 WB over BNSF R/R Spur

Fair

McKinley County, New Mexico · 3.2 MI W of NM-400 · Structure no. 000000000006364

Built
1963
62 years old, rebuilt 1985
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
143 ft
3 main spans
Daily traffic
25,439
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over BNSF R/R Spur is a steel continuous stringer/multi-beam or girder carrying I-40 WB over BNSF R/R Spur in McKinley County, New Mexico. It was built in 1963 and reconstructed in 1985, so it is 62 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 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 25,439 vehicles a day, roughly 45% of them trucks, projected to reach 34,597 by 2043. The structure is 143 ft (43.6 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-40 WB
CrossesBNSF R/R Spur
Location3.2 MI W of NM-400
RouteInterstate 40
CountyMcKinley County
StateNew Mexico
Coordinates35.52749, -108.59304
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.3 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span54 ft (16.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,439 (2023)
Projected traffic34,597 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$461,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 WB over BNSF R/R Spur built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1985.

What condition is I-40 WB over BNSF R/R Spur 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 November 2023.

How much traffic does I-40 WB over BNSF R/R Spur carry?

About 25,439 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 WB over BNSF R/R Spur?

The structure is 143 ft (43.6 m) long with a longest span of 54 ft (16.5 m) and a deck 43 ft wide.

Who owns I-40 WB over BNSF R/R Spur?

It is owned by the State Highway Agency.