FSR 4330 over Big Boulder Creek
GoodKittitas County, Washington · 4.0 N of Salmon LA Sac RD · Structure no. 089161000000000
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 60 ft
- 1 main span
- Daily traffic
- 100
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
FSR 4330 over Big Boulder Creek is a steel stringer/multi-beam or girder carrying FSR 4330 over Big Boulder Creek in Kittitas County, Washington. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2040. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FSR 4330 over Big Boulder Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is FSR 4330 over Big Boulder Creek 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 September 2024.
How much traffic does FSR 4330 over Big Boulder Creek carry?
About 100 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is FSR 4330 over Big Boulder Creek?
The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 16 ft wide.
Who owns FSR 4330 over Big Boulder Creek?
It is owned by the County Highway Agency.