Old HWY 12 over Dry Run
FairWalla Walla County, Washington · 0.2 MI W Woodward RD · Structure no. 0002241D0000000
- Built
- 1919
- 106 years old, rebuilt 1937
- Condition
- Fair
- inspected March 2024
- Type
- Arch - Deck
- Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 8,012
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 12 over Dry Run is a concrete arch - deck carrying Old HWY 12 over Dry Run in Walla Walla County, Washington. It was built in 1919 and reconstructed in 1937, so it is 106 years old, older than the Washington average of 49.8 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.
It carries about 8,012 vehicles a day, roughly 19% of them trucks, projected to reach 9,284 by 2039. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 12 over Dry Run built?
It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1937.
What condition is Old HWY 12 over Dry Run 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 March 2024.
How much traffic does Old HWY 12 over Dry Run carry?
About 8,012 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is Old HWY 12 over Dry Run?
The structure is 60 ft (18.3 m) long with a longest span of 23 ft (6.9 m) and a deck 36 ft wide.
Who owns Old HWY 12 over Dry Run?
It is owned by the County Highway Agency.