County RD 1105 over Mitchell Canal
FairMalheur County, Oregon · 001 MI So JCT FAS B487 · Structure no. 45C204110500079
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected October 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 157
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 1105 over Mitchell Canal is a prestressed concrete channel beam carrying County RD 1105 over Mitchell Canal in Malheur County, Oregon. It was built in 1984, so it is 41 years old, younger than the Oregon average of 49.9 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. Its operating status is: open, posting recommended but not legally implemented.
It carries about 157 vehicles a day, roughly 10% of them trucks, projected to reach 182 by 2025. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 1105 over Mitchell Canal built?
It was built in 1984, making it 41 years old in 2025.
What condition is County RD 1105 over Mitchell Canal 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 October 2023.
How much traffic does County RD 1105 over Mitchell Canal carry?
About 157 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is County RD 1105 over Mitchell Canal?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.
Who owns County RD 1105 over Mitchell Canal?
It is owned by the County Highway Agency.