SH 109 Ml over Smith Canyon
GoodOtero County, Colorado · 22 MI Sout of LA Junta · Structure no. N-23-K
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 350
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 109 Ml over Smith Canyon is a steel stringer/multi-beam or girder carrying SH 109 Ml over Smith Canyon in Otero County, Colorado. It was built in 1973, so it is 52 years old, older 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 350 vehicles a day, roughly 17% of them trucks, projected to reach 483 by 2040. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| 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 SH 109 Ml over Smith Canyon built?
It was built in 1973, making it 52 years old in 2025.
What condition is SH 109 Ml over Smith Canyon 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 June 2024.
How much traffic does SH 109 Ml over Smith Canyon carry?
About 350 vehicles per day (2020 count), of which roughly 17% are trucks.
How long is SH 109 Ml over Smith Canyon?
The structure is 100 ft (30.5 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.
Who owns SH 109 Ml over Smith Canyon?
It is owned by the State Highway Agency.