NM-320 over Irrigation Canal
PoorDona Ana County, New Mexico · 0.6 MI E of JCT NM-185 · Structure no. 000000000002388
- Built
- 1923
- 102 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 2,605
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-320 over Irrigation Canal is a wood or timber stringer/multi-beam or girder carrying NM-320 over Irrigation Canal in Dona Ana County, New Mexico. It was built in 1923, so it is 102 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 2,605 vehicles a day, roughly 4% of them trucks, projected to reach 3,542 by 2043. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-320 over Irrigation Canal built?
It was built in 1923, making it 102 years old in 2025.
What condition is NM-320 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-320 over Irrigation Canal carry?
About 2,605 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is NM-320 over Irrigation Canal?
The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 22 ft wide.
Who owns NM-320 over Irrigation Canal?
It is owned by the State Highway Agency.