South Bank Road over Chehalis R Overflow
FairGrays Harbor County, Washington · 1.0 S JCT SR 12 · Structure no. 079940000000000
- Built
- 1965
- 60 years old, rebuilt 1977
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 81 ft
- 3 main spans
- Daily traffic
- 2,917
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
South Bank Road over Chehalis R Overflow is a concrete continuous slab carrying South Bank Road over Chehalis R Overflow in Grays Harbor County, Washington. It was built in 1965 and reconstructed in 1977, so it is 60 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,917 vehicles a day, roughly 10% of them trucks, projected to reach 3,559 by 2044. The structure is 81 ft (24.8 m) long and 35 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 South Bank Road over Chehalis R Overflow built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1977.
What condition is South Bank Road over Chehalis R Overflow in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does South Bank Road over Chehalis R Overflow carry?
About 2,917 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is South Bank Road over Chehalis R Overflow?
The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.
Who owns South Bank Road over Chehalis R Overflow?
It is owned by the County Highway Agency.