US Bridges

I-25 Nbl over US 285

Fair

Santa Fe County, New Mexico · Junction I-25 / US 285 · Structure no. 000000000007277

Built
1972
53 years old, rebuilt 2001
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
273 ft
4 main spans
Daily traffic
14,184
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over US 285 is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over US 285 in Santa Fe County, New Mexico. It was built in 1972 and reconstructed in 2001, so it is 53 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 14,184 vehicles a day, roughly 45% of them trucks, projected to reach 19,290 by 2043. The structure is 273 ft (83.2 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesI-25 Nbl
CrossesUS 285
LocationJunction I-25 / US 285
RouteInterstate 25
CountySanta Fe County
StateNew Mexico
Coordinates35.55456, -105.87888
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating59.4 US tons
Inventory rating35.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span83 ft (25.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,184 (2023)
Projected traffic19,290 by 2043
Trucks45%
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 rehabilitation with only incidental widening
Estimated improvement cost$630,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over US 285 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2001.

What condition is I-25 Nbl over US 285 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 April 2023.

How much traffic does I-25 Nbl over US 285 carry?

About 14,184 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over US 285?

The structure is 273 ft (83.2 m) long with a longest span of 83 ft (25.3 m) and a deck 45 ft wide.

Who owns I-25 Nbl over US 285?

It is owned by the State Highway Agency.