Irr# CO RD 500 over San Juan River
FairArchuleta County, Colorado · 11.5 MI SW of Pagosa Spgs · Structure no. AR500-S136-160A
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 163
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Irr# CO RD 500 over San Juan River is a prestressed concrete continuous box beam or girders - single or spread carrying Irr# CO RD 500 over San Juan River in Archuleta County, Colorado. It was built in 1992, so it is 33 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 5 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 163 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 180 ft (54.8 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr# CO RD 500 over San Juan River built?
It was built in 1992, making it 33 years old in 2025.
What condition is Irr# CO RD 500 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 500 over San Juan River carry?
About 163 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Irr# CO RD 500 over San Juan River?
The structure is 180 ft (54.8 m) long with a longest span of 86 ft (26.3 m) and a deck 31 ft wide.
Who owns Irr# CO RD 500 over San Juan River?
It is owned by the County Highway Agency.