US Bridges

I-25 Sbl over I-25 Business Loop

Fair

Valencia County, New Mexico · North Belen Interchange · Structure no. 000000000007047

Built
1970
55 years old, rebuilt 1995
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
3 main spans
Daily traffic
13,715
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over I-25 Business Loop is a prestressed concrete stringer/multi-beam or girder carrying I-25 Sbl over I-25 Business Loop in Valencia County, New Mexico. It was built in 1970 and reconstructed in 1995, so it is 55 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 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 13,715 vehicles a day, roughly 14% of them trucks, projected to reach 18,652 by 2043. The structure is 220 ft (67.1 m) long and 45 ft wide.

Location

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CarriesI-25 Sbl
CrossesI-25 Business Loop
LocationNorth Belen Interchange
RouteInterstate 25
CountyValencia County
StateNew Mexico
Coordinates34.71178, -106.79048
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.8 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span98 ft (29.9 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,715 (2023)
Projected traffic18,652 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$630,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Sbl over I-25 Business Loop built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1995.

What condition is I-25 Sbl over I-25 Business Loop 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 July 2023.

How much traffic does I-25 Sbl over I-25 Business Loop carry?

About 13,715 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Sbl over I-25 Business Loop?

The structure is 220 ft (67.1 m) long with a longest span of 98 ft (29.9 m) and a deck 45 ft wide.

Who owns I-25 Sbl over I-25 Business Loop?

It is owned by the State Highway Agency.