US Bridges

IRR/I-40 Wbl over BNSF Railroad

Fair

Cibola County, New Mexico · 5.0 MI W of NM-6 · Structure no. 000000000005987

Built
1959
66 years old, rebuilt 1987
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
3 main spans
Daily traffic
28,708
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/I-40 Wbl over BNSF Railroad is a steel continuous stringer/multi-beam or girder carrying IRR/I-40 Wbl over BNSF Railroad in Cibola County, New Mexico. It was built in 1959 and reconstructed in 1987, so it is 66 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 28,708 vehicles a day, roughly 45% of them trucks, projected to reach 39,042 by 2043. The structure is 270 ft (82.2 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesIRR/I-40 Wbl
CrossesBNSF Railroad
Location5.0 MI W of NM-6
RouteInterstate 40
CountyCibola County
StateNew Mexico
Coordinates34.99339, -107.25785
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.4 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length270 ft (82.2 m)
Longest span102 ft (31.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,708 (2023)
Projected traffic39,042 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/I-40 Wbl over BNSF Railroad built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1987.

What condition is IRR/I-40 Wbl over BNSF Railroad 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 2024.

How much traffic does IRR/I-40 Wbl over BNSF Railroad carry?

About 28,708 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is IRR/I-40 Wbl over BNSF Railroad?

The structure is 270 ft (82.2 m) long with a longest span of 102 ft (31.1 m) and a deck 40 ft wide.

Who owns IRR/I-40 Wbl over BNSF Railroad?

It is owned by the State Highway Agency.