US Bridges

NM-226 over Irrigation Canal

Poor

Dona Ana County, New Mexico · 1.4 MI E of JCT NM-28 · Structure no. 000000000002814

Built
1972
53 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
Daily traffic
1,358
2023 count
Owner
State
State Highway Agency

About this bridge

NM-226 over Irrigation Canal is a wood or timber stringer/multi-beam or girder carrying NM-226 over Irrigation Canal in Dona Ana County, New Mexico. It was built in 1972, so it is 53 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,358 vehicles a day, roughly 5% of them trucks, projected to reach 1,846 by 2043. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNM-226
CrossesIrrigation Canal
Location1.4 MI E of JCT NM-28
RouteState Highway 226
Coordinates32.06808, -106.65433
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 3 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.6 US tons
Inventory rating27 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,358 (2023)
Projected traffic1,846 by 2043
Trucks5%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$34,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-226 over Irrigation Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is NM-226 over Irrigation Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does NM-226 over Irrigation Canal carry?

About 1,358 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NM-226 over Irrigation Canal?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 22 ft wide.

Who owns NM-226 over Irrigation Canal?

It is owned by the State Highway Agency.