US Bridges

NM-390 over Garfield Canal

FairPosted for load

Dona Ana County, New Mexico · 1.9 MI NW of JCT NM-187 · Structure no. 000000000005277

Built
1954
71 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
398
2023 count
Owner
State
State Highway Agency

About this bridge

NM-390 over Garfield Canal is a wood or timber stringer/multi-beam or girder carrying NM-390 over Garfield 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 398 vehicles a day, roughly 11% of them trucks, projected to reach 541 by 2043. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNM-390
CrossesGarfield Canal
Location1.9 MI NW of JCT NM-187
RouteState Highway 390
CountyDona Ana County
StateNew Mexico
Coordinates32.71776, -107.24383
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating27 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span19 ft (5.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2023)
Projected traffic541 by 2043
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-390 over Garfield Canal built?

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

What condition is NM-390 over Garfield 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-390 over Garfield Canal carry?

About 398 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-390 over Garfield Canal?

The structure is 60 ft (18.3 m) long with a longest span of 19 ft (5.9 m) and a deck 16 ft wide.

Who owns NM-390 over Garfield Canal?

It is owned by the State Highway Agency.