Roundtop Road over Round Top Creek
GoodLewis County, Washington · 1.0 SW Mineral · Structure no. 085639000000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected February 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 18
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Roundtop Road over Round Top Creek is a prestressed concrete channel beam carrying Roundtop Road over Round Top Creek in Lewis County, Washington. It was built in 1989, so it is 36 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 18 vehicles a day, roughly 11% of them trucks, projected to reach 33 by 2042. The structure is 63 ft (19.2 m) long and 31 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 Roundtop Road over Round Top Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Roundtop Road over Round Top 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 February 2023.
How much traffic does Roundtop Road over Round Top Creek carry?
About 18 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is Roundtop Road over Round Top Creek?
The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 31 ft wide.
Who owns Roundtop Road over Round Top Creek?
It is owned by the County Highway Agency.