US Bridges

NM-158 over Leasburg Canal

Fair

Dona Ana County, New Mexico · 0.5 MI NE of JCT NM-185 · Structure no. 000000000002368

Built
1945
80 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
2 main spans
Daily traffic
312
2023 count
Owner
State
State Highway Agency

About this bridge

NM-158 over Leasburg Canal is a wood or timber stringer/multi-beam or girder carrying NM-158 over Leasburg Canal in Dona Ana County, New Mexico. It was built in 1945, so it is 80 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 312 vehicles a day, roughly 11% of them trucks, projected to reach 424 by 2043. The structure is 45 ft (13.7 m) long and 19 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesNM-158
CrossesLeasburg Canal
Location0.5 MI NE of JCT NM-185
RouteState Highway 158
CountyDona Ana County
StateNew Mexico
Coordinates32.424, -106.85862
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span20 ft (6.1 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic312 (2023)
Projected traffic424 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$57,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-158 over Leasburg Canal built?

It was built in 1945, making it 80 years old in 2025.

What condition is NM-158 over Leasburg Canal 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 October 2024.

How much traffic does NM-158 over Leasburg Canal carry?

About 312 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-158 over Leasburg Canal?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6.1 m) and a deck 19 ft wide.

Who owns NM-158 over Leasburg Canal?

It is owned by the State Highway Agency.