US Bridges

NM-16 over I-25 Nbl and Sbl

Good

Santa Fe County, New Mexico · JCT I-25/NM-16/LA Bajada · Structure no. 000000000008427

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
3 main spans
Daily traffic
1,038
2023 count
Owner
State
State Highway Agency

About this bridge

NM-16 over I-25 Nbl and Sbl is a steel stringer/multi-beam or girder carrying NM-16 over I-25 Nbl and Sbl in Santa Fe County, New Mexico. It was built in 1984, so it is 41 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 1,038 vehicles a day, roughly 11% of them trucks, projected to reach 1,411 by 2043. The structure is 259 ft (78.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-16
CrossesI-25 Nbl and Sbl
LocationJCT I-25/NM-16/LA Bajada
RouteState Highway 16
Coordinates35.51629, -106.22509
Functional classRural Major Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span172 ft (52.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,038 (2023)
Projected traffic1,411 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 NM-16 over I-25 Nbl and Sbl built?

It was built in 1984, making it 41 years old in 2025.

What condition is NM-16 over I-25 Nbl and Sbl 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 June 2023.

How much traffic does NM-16 over I-25 Nbl and Sbl carry?

About 1,038 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-16 over I-25 Nbl and Sbl?

The structure is 259 ft (78.9 m) long with a longest span of 172 ft (52.4 m) and a deck 41 ft wide.

Who owns NM-16 over I-25 Nbl and Sbl?

It is owned by the State Highway Agency.