SR 21 over Dry Run
GoodAdams County, Washington · 10.0 N JCT I-90 · Structure no. 0007755A0000000
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 93 ft
- 3 main spans
- Daily traffic
- 182
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 21 over Dry Run is a concrete continuous slab carrying SR 21 over Dry Run in Adams County, Washington. It was built in 1965, so it is 60 years old, older than the Washington average of 49.8 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 182 vehicles a day, roughly 23% of them trucks, projected to reach 216 by 2039. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 21 over Dry Run built?
It was built in 1965, making it 60 years old in 2025.
What condition is SR 21 over Dry Run 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 August 2024.
How much traffic does SR 21 over Dry Run carry?
About 182 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is SR 21 over Dry Run?
The structure is 93 ft (28.3 m) long with a longest span of 37 ft (11.3 m) and a deck 31 ft wide.
Who owns SR 21 over Dry Run?
It is owned by the State Highway Agency.