US Bridges

NM-28 over Westside Canal

Fair

Dona Ana County, New Mexico · 11.0 M N of Texas ST Line · Structure no. 000000000005295

Built
1954
71 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
76 ft
3 main spans
Daily traffic
2,677
2023 count
Owner
State
State Highway Agency

About this bridge

NM-28 over Westside Canal is a concrete channel beam carrying NM-28 over Westside Canal in Dona Ana County, New Mexico. It was built in 1954, so it is 71 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 2,677 vehicles a day, roughly 11% of them trucks, projected to reach 3,640 by 2043. The structure is 76 ft (23.2 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-28
CrossesWestside Canal
Location11.0 M N of Texas ST Line
RouteState Highway 28
Coordinates32.0613, -106.67731
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.1 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length76 ft (23.2 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,677 (2023)
Projected traffic3,640 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-28 over Westside Canal built?

It was built in 1954, making it 71 years old in 2025.

What condition is NM-28 over Westside 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 December 2024.

How much traffic does NM-28 over Westside Canal carry?

About 2,677 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-28 over Westside Canal?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns NM-28 over Westside Canal?

It is owned by the State Highway Agency.