US 101 over Boulder Creek
GoodGrays Harbor County, Washington · 46.3 N JCT SR 109 · Structure no. 0003255D0000000
- Built
- 1947
- 78 years old, rebuilt 1982
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 70 ft
- 3 main spans
- Daily traffic
- 1,139
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 101 over Boulder Creek is a concrete continuous tee beam carrying US 101 over Boulder Creek in Grays Harbor County, Washington. It was built in 1947 and reconstructed in 1982, so it is 78 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 1,139 vehicles a day, roughly 23% of them trucks, projected to reach 1,503 by 2039. The structure is 70 ft (21.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 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 US 101 over Boulder Creek built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1982.
What condition is US 101 over 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 August 2023.
How much traffic does US 101 over Boulder Creek carry?
About 1,139 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is US 101 over Boulder Creek?
The structure is 70 ft (21.3 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.
Who owns US 101 over Boulder Creek?
It is owned by the State Highway Agency.