Calamity Road over San Miguel River
GoodMontrose County, Colorado · Just E of SH 141 · Structure no. 085004A00.0008A
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 102
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Calamity Road over San Miguel River is a prestressed concrete stringer/multi-beam or girder carrying Calamity Road over San Miguel River in Montrose County, Colorado. It was built in 1986, so it is 39 years old, younger than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 102 vehicles a day, roughly 2% of them trucks, projected to reach 119 by 2042. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Calamity Road over San Miguel River built?
It was built in 1986, making it 39 years old in 2025.
What condition is Calamity Road over San Miguel River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does Calamity Road over San Miguel River carry?
About 102 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Calamity Road over San Miguel River?
The structure is 100 ft (30.5 m) long with a longest span of 95 ft (29.1 m) and a deck 31 ft wide.
Who owns Calamity Road over San Miguel River?
It is owned by the County Highway Agency.