Thompson Mill RD over Deer Creek
FairYamhill County, Oregon · 850 MI N Sheridan · Structure no. 11821F000
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 213
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Thompson Mill RD over Deer Creek is a prestressed concrete slab carrying Thompson Mill RD over Deer Creek in Yamhill County, Oregon. It was built in 1967, so it is 58 years old, older 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 5 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 213 vehicles a day, roughly 10% of them trucks, projected to reach 233 by 2025. The structure is 33 ft (10.1 m) long and 21 ft wide. If it were closed, the detour would be 21.1 mi (34 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thompson Mill RD over Deer Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Thompson Mill RD over Deer Creek 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 2024.
How much traffic does Thompson Mill RD over Deer Creek carry?
About 213 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Thompson Mill RD over Deer Creek?
The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 21 ft wide.
Who owns Thompson Mill RD over Deer Creek?
It is owned by the County Highway Agency.