US Bridges

I-40 Wbl over NM-556/TRAMWAY Blvd

Good

Bernalillo County, New Mexico · 8.1 MI E of JCT I-25/I-40 · Structure no. 000000000006102

Built
1959
66 years old, rebuilt 1999
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
4 main spans
Daily traffic
66,186
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over NM-556/TRAMWAY Blvd is a prestressed concrete stringer/multi-beam or girder carrying I-40 Wbl over NM-556/TRAMWAY Blvd in Bernalillo County, New Mexico. It was built in 1959 and reconstructed in 1999, 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 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 66,186 vehicles a day, roughly 5% of them trucks, projected to reach 90,012 by 2042. The structure is 234 ft (71.3 m) long and 66 ft wide.

CarriesI-40 Wbl
CrossesNM-556/TRAMWAY Blvd
Location8.1 MI E of JCT I-25/I-40
RouteInterstate 40
Coordinates35.06958, -106.49683
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span63 ft (19.2 m)
Deck width66 ft (20.1 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,186 (2022)
Projected traffic90,012 by 2042
Trucks5%
Lanes on structure3
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 Wbl over NM-556/TRAMWAY Blvd built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1999.

What condition is I-40 Wbl over NM-556/TRAMWAY Blvd 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 June 2023.

How much traffic does I-40 Wbl over NM-556/TRAMWAY Blvd carry?

About 66,186 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I-40 Wbl over NM-556/TRAMWAY Blvd?

The structure is 234 ft (71.3 m) long with a longest span of 63 ft (19.2 m) and a deck 66 ft wide.

Who owns I-40 Wbl over NM-556/TRAMWAY Blvd?

It is owned by the State Highway Agency.