US Bridges

NM-26 over I-25 Nbl/Sbl

Fair

Dona Ana County, New Mexico · Jct. I-25 and NM-26 · Structure no. 000000000006483

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
5 main spans
Daily traffic
2,185
2023 count
Owner
State
State Highway Agency

About this bridge

NM-26 over I-25 Nbl/Sbl is a prestressed concrete stringer/multi-beam or girder carrying NM-26 over I-25 Nbl/Sbl in Dona Ana County, New Mexico. It was built in 1964, so it is 61 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 2,185 vehicles a day, roughly 44% of them trucks, projected to reach 2,971 by 2043. The structure is 229 ft (69.8 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesNM-26
CrossesI-25 Nbl/Sbl
LocationJct. I-25 and NM-26
RouteState Highway 26
CountyDona Ana County
StateNew Mexico
Coordinates32.68356, -107.15451
Functional classRural Minor Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span52 ft (15.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,185 (2023)
Projected traffic2,971 by 2043
Trucks44%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$519,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-26 over I-25 Nbl/Sbl built?

It was built in 1964, making it 61 years old in 2025.

What condition is NM-26 over I-25 Nbl/Sbl 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 March 2023.

How much traffic does NM-26 over I-25 Nbl/Sbl carry?

About 2,185 vehicles per day (2023 count), of which roughly 44% are trucks.

How long is NM-26 over I-25 Nbl/Sbl?

The structure is 229 ft (69.8 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.

Who owns NM-26 over I-25 Nbl/Sbl?

It is owned by the State Highway Agency.