US Bridges

IRR/I-40 Wbl over 12th Street

Fair

Bernalillo County, New Mexico · 30.4 M E JCT I-40/NM-6 · Structure no. 000000000006477

Built
1965
60 years old, rebuilt 1997
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
141,163
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/I-40 Wbl over 12th Street is a steel continuous stringer/multi-beam or girder carrying IRR/I-40 Wbl over 12th Street in Bernalillo County, New Mexico. It was built in 1965 and reconstructed in 1997, so it is 60 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 141,163 vehicles a day, roughly 14% of them trucks, projected to reach 191,981 by 2043. The structure is 175 ft (53.3 m) long and 75 ft wide.

CarriesIRR/I-40 Wbl
Crosses12th Street
Location30.4 M E JCT I-40/NM-6
RouteInterstate 40
Coordinates35.10637, -106.65819
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span97 ft (29.6 m)
Deck width75 ft (22.8 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141,163 (2023)
Projected traffic191,981 by 2043
Trucks14%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/I-40 Wbl over 12th Street built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1997.

What condition is IRR/I-40 Wbl over 12th Street 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 March 2024.

How much traffic does IRR/I-40 Wbl over 12th Street carry?

About 141,163 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is IRR/I-40 Wbl over 12th Street?

The structure is 175 ft (53.3 m) long with a longest span of 97 ft (29.6 m) and a deck 75 ft wide.

Who owns IRR/I-40 Wbl over 12th Street?

It is owned by the State Highway Agency.