Irr#co RD 551 over San Juan River
FairArchuleta County, Colorado · 2.9 MI E of Camado · Structure no. AR551-S0.1-500A
- Built
- 2010
- 15 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 151 ft
- 1 main span
- Daily traffic
- 36
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Irr#co RD 551 over San Juan River is a prestressed concrete stringer/multi-beam or girder carrying Irr#co RD 551 over San Juan River in Archuleta County, Colorado. It was built in 2010, so it is 15 years old, younger than the Colorado average of 42.2 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 36 vehicles a day, projected to reach 43 by 2042. The structure is 151 ft (45.9 m) long and 33 ft wide. If it were closed, the detour would be 100 mi (161 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr#co RD 551 over San Juan River built?
It was built in 2010, making it 15 years old in 2025.
What condition is Irr#co RD 551 over San Juan River 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 Irr#co RD 551 over San Juan River carry?
About 36 vehicles per day (2022 count).
How long is Irr#co RD 551 over San Juan River?
The structure is 151 ft (45.9 m) long with a longest span of 145 ft (44.3 m) and a deck 33 ft wide.
Who owns Irr#co RD 551 over San Juan River?
It is owned by the County Highway Agency.