SH 97 Ml over San Miguel River
FairMontrose County, Colorado · Naturita · Structure no. L-02-E
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected December 2023
- Type
- Tee Beam
- Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 1,400
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 97 Ml over San Miguel River is a concrete tee beam carrying SH 97 Ml over San Miguel River in Montrose County, Colorado. It was built in 1957, so it is 68 years old, older 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 1,400 vehicles a day, roughly 8% of them trucks, projected to reach 1,414 by 2040. The structure is 135 ft (41.1 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 97 Ml over San Miguel River built?
It was built in 1957, making it 68 years old in 2025.
What condition is SH 97 Ml over San Miguel 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 December 2023.
How much traffic does SH 97 Ml over San Miguel River carry?
About 1,400 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is SH 97 Ml over San Miguel River?
The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 40 ft wide.
Who owns SH 97 Ml over San Miguel River?
It is owned by the State Highway Agency.