US Bridges

NM-26 over Rio Grande

Fair

Dona Ana County, New Mexico · 0.9 MI N JCT NM-185/HATCH · Structure no. 000000000006484

Built
1965
60 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
691 ft
12 main spans
Daily traffic
3,637
2023 count
Owner
State
State Highway Agency

About this bridge

NM-26 over Rio Grande is a prestressed concrete stringer/multi-beam or girder carrying NM-26 over Rio Grande in Dona Ana County, New Mexico. It was built in 1965, so it is 60 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 3,637 vehicles a day, roughly 11% of them trucks, projected to reach 4,946 by 2043. The structure is 691 ft (210.7 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNM-26
CrossesRio Grande
Location0.9 MI N JCT NM-185/HATCH
RouteState Highway 26
Coordinates32.67843, -107.15551
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length691 ft (210.7 m)
Longest span57 ft (17.5 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,637 (2023)
Projected traffic4,946 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
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$1.6 million (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-26 over Rio Grande built?

It was built in 1965, making it 60 years old in 2025.

What condition is NM-26 over Rio Grande 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 December 2024.

How much traffic does NM-26 over Rio Grande carry?

About 3,637 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-26 over Rio Grande?

The structure is 691 ft (210.7 m) long with a longest span of 57 ft (17.5 m) and a deck 31 ft wide.

Who owns NM-26 over Rio Grande?

It is owned by the State Highway Agency.