NM-345 over San Antonio Arroyo
FairBernalillo County, New Mexico · 0.85 MI S of Montano NW · Structure no. 000000000008347
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 62 ft
- 5 main spans
- Daily traffic
- 16,737
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
NM-345 over San Antonio Arroyo is a concrete culvert carrying NM-345 over San Antonio Arroyo in Bernalillo County, New Mexico. It was built in 1981, so it is 44 years old, younger 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 16,737 vehicles a day, roughly 13% of them trucks, projected to reach 22,762 by 2043. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-345 over San Antonio Arroyo built?
It was built in 1981, making it 44 years old in 2025.
What condition is NM-345 over San Antonio Arroyo 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 August 2024.
How much traffic does NM-345 over San Antonio Arroyo carry?
About 16,737 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is NM-345 over San Antonio Arroyo?
The structure is 62 ft (18.9 m) long with a longest span of 10 ft (3 m).
Who owns NM-345 over San Antonio Arroyo?
It is owned by the City or Municipal Highway Agency.