US Bridges

NM-26 over Unnamed Waterway

Fair

Luna County, New Mexico · 22.5 MI NE of JCT US-180 · Structure no. 000000000005500

Built
1955
70 years old, rebuilt 2008
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
101 ft
4 main spans
Daily traffic
2,560
2023 count
Owner
State
State Highway Agency

About this bridge

NM-26 over Unnamed Waterway is a concrete continuous slab carrying NM-26 over Unnamed Waterway in Luna County, New Mexico. It was built in 1955 and reconstructed in 2008, so it is 70 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 2,560 vehicles a day, roughly 23% of them trucks, projected to reach 3,481 by 2043. The structure is 101 ft (30.9 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNM-26
CrossesUnnamed Waterway
Location22.5 MI NE of JCT US-180
RouteState Highway 26
CountyLuna County
StateNew Mexico
Coordinates32.51439, -107.50199
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.4 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length101 ft (30.9 m)
Longest span101 ft (30.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,560 (2023)
Projected traffic3,481 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-26 over Unnamed Waterway built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2008.

What condition is NM-26 over Unnamed Waterway 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 September 2024.

How much traffic does NM-26 over Unnamed Waterway carry?

About 2,560 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is NM-26 over Unnamed Waterway?

The structure is 101 ft (30.9 m) long with a longest span of 101 ft (30.9 m) and a deck 43 ft wide.

Who owns NM-26 over Unnamed Waterway?

It is owned by the State Highway Agency.