Jackson HWY over Lacamas Cr.
GoodLewis County, Washington · 2.76 S JCT US 12 · Structure no. 082870000000000
- Built
- 1926
- 99 years old, rebuilt 1978
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 936
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Jackson HWY over Lacamas Cr. is a concrete continuous slab carrying Jackson HWY over Lacamas Cr. in Lewis County, Washington. It was built in 1926 and reconstructed in 1978, so it is 99 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 936 vehicles a day, roughly 18% of them trucks, projected to reach 1,691 by 2041. The structure is 27 ft (8.2 m) long and 39 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 | 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 Jackson HWY over Lacamas Cr. built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1978.
What condition is Jackson HWY over Lacamas Cr. 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 February 2024.
How much traffic does Jackson HWY over Lacamas Cr. carry?
About 936 vehicles per day (2021 count), of which roughly 18% are trucks.
How long is Jackson HWY over Lacamas Cr.?
The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.8 m) and a deck 39 ft wide.
Who owns Jackson HWY over Lacamas Cr.?
It is owned by the County Highway Agency.