US Bridges

I-25 Sbl over NM-556 (tramway Blvd)

Fair

Bernalillo County, New Mexico · 8.1 M N JCT I-25/I-40 · Structure no. 000000000009341

Built
2006
19 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
176 ft
2 main spans
Daily traffic
70,020
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over NM-556 (tramway Blvd) is a prestressed concrete continuous stringer/multi-beam or girder carrying I-25 Sbl over NM-556 (tramway Blvd) in Bernalillo County, New Mexico. It was built in 2006, so it is 19 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 6 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 70,020 vehicles a day, roughly 14% of them trucks, projected to reach 95,227 by 2043. The structure is 176 ft (53.6 m) long and 64 ft wide.

CarriesI-25 Sbl
CrossesNM-556 (tramway Blvd)
Location8.1 M N JCT I-25/I-40
RouteInterstate 25
Coordinates35.20409, -106.57719
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 rating75 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span85 ft (25.9 m)
Deck width64 ft (19.5 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,020 (2023)
Projected traffic95,227 by 2043
Trucks14%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Sbl over NM-556 (tramway Blvd) built?

It was built in 2006, making it 19 years old in 2025.

What condition is I-25 Sbl over NM-556 (tramway Blvd) 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 October 2024.

How much traffic does I-25 Sbl over NM-556 (tramway Blvd) carry?

About 70,020 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Sbl over NM-556 (tramway Blvd)?

The structure is 176 ft (53.6 m) long with a longest span of 85 ft (25.9 m) and a deck 64 ft wide.

Who owns I-25 Sbl over NM-556 (tramway Blvd)?

It is owned by the State Highway Agency.