Sisemore Road over Couch Lateral
GoodDeschutes County, Oregon · 0.1 MI N Tumalo Res Road · Structure no. 17C02 A09 00520
- Built
- 1914
- 111 years old
- Condition
- Good
- inspected March 2024
- Type
- Arch - Deck
- Concrete Continuous
- Length
- 105 ft
- 5 main spans
- Daily traffic
- 263
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Sisemore Road over Couch Lateral is a concrete continuous arch - deck carrying Sisemore Road over Couch Lateral in Deschutes County, Oregon. It was built in 1914, so it is 111 years old, older than the Oregon average of 49.9 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 263 vehicles a day, roughly 2% of them trucks, projected to reach 308 by 2025. The structure is 105 ft (32 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Sisemore Road over Couch Lateral built?
It was built in 1914, making it 111 years old in 2025.
What condition is Sisemore Road over Couch Lateral 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 March 2024.
How much traffic does Sisemore Road over Couch Lateral carry?
About 263 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Sisemore Road over Couch Lateral?
The structure is 105 ft (32 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.
Who owns Sisemore Road over Couch Lateral?
It is owned by the County Highway Agency.