US Bridges

I-25 Sbl over NM-47 Nbl

Good

Bernalillo County, New Mexico · South Broadway Interchang · Structure no. 000000000007361

Built
1973
52 years old, rebuilt 1990
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
3 main spans
Daily traffic
35,292
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over NM-47 Nbl is a steel stringer/multi-beam or girder carrying I-25 Sbl over NM-47 Nbl in Bernalillo County, New Mexico. It was built in 1973 and reconstructed in 1990, so it is 52 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 35,292 vehicles a day, roughly 14% of them trucks, projected to reach 47,997 by 2043. The structure is 302 ft (92 m) long and 46 ft wide.

CarriesI-25 Sbl
CrossesNM-47 Nbl
LocationSouth Broadway Interchang
RouteInterstate 25
Coordinates34.9539, -106.662
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 inspectionApril 2023
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 alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (92 m)
Longest span138 ft (42.1 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,292 (2023)
Projected traffic47,997 by 2043
Trucks14%
Lanes on structure2
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-47 Nbl built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1990.

What condition is I-25 Sbl over NM-47 Nbl 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 April 2023.

How much traffic does I-25 Sbl over NM-47 Nbl carry?

About 35,292 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Sbl over NM-47 Nbl?

The structure is 302 ft (92 m) long with a longest span of 138 ft (42.1 m) and a deck 46 ft wide.

Who owns I-25 Sbl over NM-47 Nbl?

It is owned by the State Highway Agency.