US Bridges

NM-154 over Unnamed Waterway

Fair

Dona Ana County, New Mexico · 2.7 MI E of JCT NM-185 · Structure no. 000000000005575

Built
1947
78 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
4 main spans
Daily traffic
924
2023 count
Owner
State
State Highway Agency

About this bridge

NM-154 over Unnamed Waterway is a concrete culvert carrying NM-154 over Unnamed Waterway in Dona Ana County, New Mexico. It was built in 1947, so it is 78 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 5 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 924 vehicles a day, roughly 11% of them trucks, projected to reach 1,256 by 2043. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNM-154
CrossesUnnamed Waterway
Location2.7 MI E of JCT NM-185
RouteState Highway 154
Coordinates32.66977, -107.10293
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic924 (2023)
Projected traffic1,256 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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-154 over Unnamed Waterway built?

It was built in 1947, making it 78 years old in 2025.

What condition is NM-154 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 February 2024.

How much traffic does NM-154 over Unnamed Waterway carry?

About 924 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-154 over Unnamed Waterway?

The structure is 33 ft (10.2 m) long with a longest span of 8 ft (2.4 m).

Who owns NM-154 over Unnamed Waterway?

It is owned by the State Highway Agency.