US 101 NB over Siebert Creek
GoodClallam County, Washington · 9.8 E JCT SR 117 · Structure no. 0015254A0000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 650 ft
- 5 main spans
- Daily traffic
- 10,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 101 NB over Siebert Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 101 NB over Siebert Creek in Clallam County, Washington. It was built in 1999, so it is 26 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 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 10,300 vehicles a day, roughly 5% of them trucks, projected to reach 13,033 by 2039. The structure is 650 ft (198.1 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 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 | 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 US 101 NB over Siebert Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is US 101 NB over Siebert 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 June 2023.
How much traffic does US 101 NB over Siebert Creek carry?
About 10,300 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 101 NB over Siebert Creek?
The structure is 650 ft (198.1 m) long with a longest span of 126 ft (38.4 m) and a deck 41 ft wide.
Who owns US 101 NB over Siebert Creek?
It is owned by the State Highway Agency.