US Bridges

I-25 Sbl over Nm 599

Good

Santa Fe County, New Mexico · JCT I-25 and NM-599 · Structure no. 000000000008637

Built
1990
35 years old
Condition
Good
inspected July 2024
Type
Frame
Concrete Continuous
Length
221 ft
3 main spans
Daily traffic
33,028
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Nm 599 is a concrete continuous frame carrying I-25 Sbl over Nm 599 in Santa Fe County, New Mexico. It was built in 1990, so it is 35 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 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 33,028 vehicles a day, roughly 14% of them trucks, projected to reach 44,918 by 2043. The structure is 221 ft (67.4 m) long and 45 ft wide.

CarriesI-25 Sbl
CrossesNm 599
LocationJCT I-25 and NM-599
RouteInterstate 25
Coordinates35.5908, -106.0624
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 inspectionJuly 2024
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 alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span126 ft (38.4 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,028 (2023)
Projected traffic44,918 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 599 built?

It was built in 1990, making it 35 years old in 2025.

What condition is I-25 Sbl over Nm 599 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 July 2024.

How much traffic does I-25 Sbl over Nm 599 carry?

About 33,028 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Sbl over Nm 599?

The structure is 221 ft (67.4 m) long with a longest span of 126 ft (38.4 m) and a deck 45 ft wide.

Who owns I-25 Sbl over Nm 599?

It is owned by the State Highway Agency.