US Bridges

I-25 Sbl over North Diversion Channel

Good

Bernalillo County, New Mexico · 2.9 MI N of JCT I-25/I-40 · Structure no. 000000000006699

Built
1966
59 years old, rebuilt 1992
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
2 main spans
Daily traffic
160,076
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over North Diversion Channel is a prestressed concrete stringer/multi-beam or girder carrying I-25 Sbl over North Diversion Channel in Bernalillo County, New Mexico. It was built in 1966 and reconstructed in 1992, so it is 59 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 160,076 vehicles a day, roughly 5% of them trucks, projected to reach 217,703 by 2043. The structure is 169 ft (51.5 m) long and 77 ft wide.

CarriesI-25 Sbl
CrossesNorth Diversion Channel
Location2.9 MI N of JCT I-25/I-40
RouteInterstate 25
Coordinates35.1357, -106.6051
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.3 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span82 ft (25 m)
Deck width77 ft (23.5 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160,076 (2023)
Projected traffic217,703 by 2043
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 North Diversion Channel built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1992.

What condition is I-25 Sbl over North Diversion Channel 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 January 2025.

How much traffic does I-25 Sbl over North Diversion Channel carry?

About 160,076 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I-25 Sbl over North Diversion Channel?

The structure is 169 ft (51.5 m) long with a longest span of 82 ft (25 m) and a deck 77 ft wide.

Who owns I-25 Sbl over North Diversion Channel?

It is owned by the State Highway Agency.