Gibson Rd. over Swamp Creek
GoodSnohomish County, Washington · 1.0 W JCT I-5 · Structure no. 086355000000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Aluminum, Wrought Iron, or Cast Iron
- Length
- 21 ft
- 1 main span
- Daily traffic
- 9,000
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Gibson Rd. over Swamp Creek is a aluminum, wrought iron, or cast iron culvert carrying Gibson Rd. over Swamp Creek in Snohomish County, Washington. It was built in 1995, so it is 30 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 9,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2046. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gibson Rd. over Swamp Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Gibson Rd. over Swamp 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 August 2024.
How much traffic does Gibson Rd. over Swamp Creek carry?
About 9,000 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Gibson Rd. over Swamp Creek?
The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m).
Who owns Gibson Rd. over Swamp Creek?
It is owned by the County Highway Agency.