US 101 over North Nemah River
GoodPacific County, Washington · 6.3 N JCT SR 4 · Structure no. 0014001A0000000
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected August 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 532 ft
- 9 main spans
- Daily traffic
- 2,815
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 101 over North Nemah River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 101 over North Nemah River in Pacific County, Washington. It was built in 1992, so it is 33 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 2,815 vehicles a day, roughly 8% of them trucks, projected to reach 3,300 by 2039. The structure is 532 ft (162.2 m) long and 39 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 101 over North Nemah River built?
It was built in 1992, making it 33 years old in 2025.
What condition is US 101 over North Nemah River 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 2021.
How much traffic does US 101 over North Nemah River carry?
About 2,815 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 101 over North Nemah River?
The structure is 532 ft (162.2 m) long with a longest span of 60 ft (18.3 m) and a deck 39 ft wide.
Who owns US 101 over North Nemah River?
It is owned by the State Highway Agency.