Griffith RD over Rocky Coulee
PoorPosted for loadAdams County, Washington · 03.42 MI W SR21 · Structure no. 081761000000000
- Built
- 1929
- 96 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 28 ft
- 1 main span
- Daily traffic
- 20
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Griffith RD over Rocky Coulee is a steel stringer/multi-beam or girder carrying Griffith RD over Rocky Coulee in Adams County, Washington. It was built in 1929, so it is 96 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 20 vehicles a day, roughly 6% of them trucks, projected to reach 25 by 2039. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Griffith RD over Rocky Coulee built?
It was built in 1929, making it 96 years old in 2025.
What condition is Griffith RD over Rocky Coulee in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Griffith RD over Rocky Coulee carry?
About 20 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is Griffith RD over Rocky Coulee?
The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.1 m) and a deck 20 ft wide.
Who owns Griffith RD over Rocky Coulee?
It is owned by the County Highway Agency.