Silver Ck RD 00670 over Nine Mile Creek
PoorPosted for loadFerry County, Washington · 19.05 E SR 21 · Structure no. 084149000000000
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 51 ft
- 2 main spans
- Daily traffic
- 47
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Silver Ck RD 00670 over Nine Mile Creek is a concrete stringer/multi-beam or girder carrying Silver Ck RD 00670 over Nine Mile Creek in Ferry County, Washington. It was built in 1958, so it is 67 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 2 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 47 vehicles a day, roughly 20% of them trucks, projected to reach 600 by 2040. The structure is 51 ft (15.5 m) long and 27 ft wide. If it were closed, the detour would be 44.7 mi (72 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 Silver Ck RD 00670 over Nine Mile Creek built?
It was built in 1958, making it 67 years old in 2025.
What condition is Silver Ck RD 00670 over Nine Mile Creek 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 June 2024.
How much traffic does Silver Ck RD 00670 over Nine Mile Creek carry?
About 47 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is Silver Ck RD 00670 over Nine Mile Creek?
The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.
Who owns Silver Ck RD 00670 over Nine Mile Creek?
It is owned by the County Highway Agency.