IRR BIA RTE N4002 over Main Canal
FairSan Juan County, New Mexico · 7M S 8M E Farmington · Structure no. 00000000000N802
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 258
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE N4002 over Main Canal is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE N4002 over Main Canal in San Juan County, New Mexico. It was built in 1974, so it is 51 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 258 vehicles a day, roughly 5% of them trucks, projected to reach 302 by 2043. The structure is 70 ft (21.2 m) long and 31 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE N4002 over Main Canal built?
It was built in 1974, making it 51 years old in 2025.
What condition is IRR BIA RTE N4002 over Main 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 March 2023.
How much traffic does IRR BIA RTE N4002 over Main Canal carry?
About 258 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR BIA RTE N4002 over Main Canal?
The structure is 70 ft (21.2 m) long with a longest span of 66 ft (20.2 m) and a deck 31 ft wide.
Who owns IRR BIA RTE N4002 over Main Canal?
It is owned by the Bureau of Indian Affairs.