US Bridges

I-25 Sbl over NM-473

Good

Sandoval County, New Mexico · Junction I-25 and NM-473 · Structure no. 000000000009274

Built
2003
22 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
59,841
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over NM-473 is a prestressed concrete stringer/multi-beam or girder carrying I-25 Sbl over NM-473 in Sandoval County, New Mexico. It was built in 2003, so it is 22 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 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 59,841 vehicles a day, roughly 14% of them trucks, projected to reach 81,383 by 2043. The structure is 68 ft (20.7 m) long and 64 ft wide.

CarriesI-25 Sbl
CrossesNM-473
LocationJunction I-25 and NM-473
RouteInterstate 25
Coordinates35.29615, -106.54262
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span67 ft (20.4 m)
Deck width64 ft (19.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,841 (2023)
Projected traffic81,383 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-473 built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-25 Sbl over NM-473 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 February 2024.

How much traffic does I-25 Sbl over NM-473 carry?

About 59,841 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Sbl over NM-473?

The structure is 68 ft (20.7 m) long with a longest span of 67 ft (20.4 m) and a deck 64 ft wide.

Who owns I-25 Sbl over NM-473?

It is owned by the State Highway Agency.