US Bridges

I-25 Sbl over BNSF R/R

Fair

Santa Fe County, New Mexico · 1.4 MI S JCT I-25/NM-16 · Structure no. 000000000007950

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
40,522
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over BNSF R/R is a prestressed concrete continuous stringer/multi-beam or girder carrying I-25 Sbl over BNSF R/R in Santa Fe County, New Mexico. It was built in 1983, so it is 42 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 40,522 vehicles a day, roughly 45% of them trucks, projected to reach 55,109 by 2043. The structure is 134 ft (40.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Sbl
CrossesBNSF R/R
Location1.4 MI S JCT I-25/NM-16
RouteInterstate 25
CountySanta Fe County
StateNew Mexico
Coordinates35.50511, -106.24601
Functional classRural 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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span49 ft (14.9 m)
Deck width42 ft (12.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,522 (2023)
Projected traffic55,109 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
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 BNSF R/R built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-25 Sbl over BNSF R/R 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 September 2023.

How much traffic does I-25 Sbl over BNSF R/R carry?

About 40,522 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Sbl over BNSF R/R?

The structure is 134 ft (40.8 m) long with a longest span of 49 ft (14.9 m) and a deck 42 ft wide.

Who owns I-25 Sbl over BNSF R/R?

It is owned by the State Highway Agency.