SR 4 over Tide Gate Culvert
GoodWahkiakum County, Washington · 29.4 E JCT SR 401 · Structure no. 0018610B0000000
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 2,084
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 4 over Tide Gate Culvert is a concrete culvert carrying SR 4 over Tide Gate Culvert in Wahkiakum County, Washington. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,084 vehicles a day, roughly 12% of them trucks, projected to reach 1,921 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 4 over Tide Gate Culvert built?
It was built in 2015, making it 10 years old in 2025.
What condition is SR 4 over Tide Gate Culvert 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 August 2023.
How much traffic does SR 4 over Tide Gate Culvert carry?
About 2,084 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is SR 4 over Tide Gate Culvert?
The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).
Who owns SR 4 over Tide Gate Culvert?
It is owned by the State Highway Agency.