US 101 over Skidmore Slough
GoodPacific County, Washington · 26.9 N JCT SR 4 · Structure no. 0011758A0000000
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 212 ft
- 3 main spans
- Daily traffic
- 8,012
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 101 over Skidmore Slough is a prestressed concrete stringer/multi-beam or girder carrying US 101 over Skidmore Slough in Pacific County, Washington. It was built in 1980, so it is 45 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 8,012 vehicles a day, roughly 5% of them trucks, projected to reach 9,835 by 2039. The structure is 212 ft (64.6 m) long and 44 ft wide.
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 Skidmore Slough built?
It was built in 1980, making it 45 years old in 2025.
What condition is US 101 over Skidmore Slough 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 April 2024.
How much traffic does US 101 over Skidmore Slough carry?
About 8,012 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 101 over Skidmore Slough?
The structure is 212 ft (64.6 m) long with a longest span of 72 ft (21.9 m) and a deck 44 ft wide.
Who owns US 101 over Skidmore Slough?
It is owned by the State Highway Agency.