Shannon RD over Canyon Creek Ditch
GoodYellowstone County, Montana · 2M E Laurel · Structure no. U06903002+06001
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 1,855
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Shannon RD over Canyon Creek Ditch is a prestressed concrete tee beam carrying Shannon RD over Canyon Creek Ditch in Yellowstone County, Montana. It was built in 1984, so it is 41 years old, younger than the Montana average of 47 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 1,855 vehicles a day, roughly 2% of them trucks, projected to reach 2,180 by 2043. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Shannon RD over Canyon Creek Ditch built?
It was built in 1984, making it 41 years old in 2025.
What condition is Shannon RD over Canyon Creek Ditch 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 October 2024.
How much traffic does Shannon RD over Canyon Creek Ditch carry?
About 1,855 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Shannon RD over Canyon Creek Ditch?
The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.
Who owns Shannon RD over Canyon Creek Ditch?
It is owned by the County Highway Agency.