NM-300 over Unnamed Waterway
FairSanta Fe County, New Mexico · 3.12 MI N EXT-284 of I-25 · Structure no. 000000000005312
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 4,360
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-300 over Unnamed Waterway is a concrete culvert carrying NM-300 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1946, so it is 79 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 4,360 vehicles a day, roughly 11% of them trucks, projected to reach 5,929 by 2043. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-300 over Unnamed Waterway built?
It was built in 1946, making it 79 years old in 2025.
What condition is NM-300 over Unnamed Waterway 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 October 2024.
How much traffic does NM-300 over Unnamed Waterway carry?
About 4,360 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-300 over Unnamed Waterway?
The structure is 24 ft (7.2 m) long with a longest span of 8 ft (2.4 m).
Who owns NM-300 over Unnamed Waterway?
It is owned by the State Highway Agency.