Monohon Landing RD over North Fork Willapa River
GoodPacific County, Washington · 4.4 E JCT 105 101 · Structure no. 083696000000000
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 182 ft
- 1 main span
- Daily traffic
- 900
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Monohon Landing RD over North Fork Willapa River is a prestressed concrete stringer/multi-beam or girder carrying Monohon Landing RD over North Fork Willapa River in Pacific County, Washington. It was built in 1981, so it is 44 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 900 vehicles a day, roughly 20% of them trucks, projected to reach 3,000 by 2043. The structure is 182 ft (55.5 m) long and 37 ft wide. If it were closed, the detour would be 8.7 mi (14 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 Monohon Landing RD over North Fork Willapa River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Monohon Landing RD over North Fork Willapa 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 June 2024.
How much traffic does Monohon Landing RD over North Fork Willapa River carry?
About 900 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is Monohon Landing RD over North Fork Willapa River?
The structure is 182 ft (55.5 m) long with a longest span of 111 ft (33.8 m) and a deck 37 ft wide.
Who owns Monohon Landing RD over North Fork Willapa River?
It is owned by the County Highway Agency.