Jackson HWY over Newaukum River
GoodLewis County, Washington · 4.5 Miles SE Chehalis · Structure no. 088352000000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected December 2023
- Type
- Tee Beam
- Concrete
- Length
- 179 ft
- 2 main spans
- Daily traffic
- 3,565
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Jackson HWY over Newaukum River is a concrete tee beam carrying Jackson HWY over Newaukum River in Lewis County, Washington. It was built in 2011, so it is 14 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 3,565 vehicles a day, roughly 19% of them trucks, projected to reach 6,252 by 2041. The structure is 179 ft (54.6 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 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 Jackson HWY over Newaukum River built?
It was built in 2011, making it 14 years old in 2025.
What condition is Jackson HWY over Newaukum 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 December 2023.
How much traffic does Jackson HWY over Newaukum River carry?
About 3,565 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is Jackson HWY over Newaukum River?
The structure is 179 ft (54.6 m) long with a longest span of 84 ft (25.5 m) and a deck 43 ft wide.
Who owns Jackson HWY over Newaukum River?
It is owned by the County Highway Agency.