Carter Rd. over Swamp Creek
GoodSnohomish County, Washington · 0.2 N. King Co. Line · Structure no. 088564000000000
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 3,021
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Carter Rd. over Swamp Creek is a prestressed concrete stringer/multi-beam or girder carrying Carter Rd. over Swamp Creek in Snohomish County, Washington. It was built in 2013, so it is 12 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 3,021 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2045. The structure is 92 ft (27.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carter Rd. over Swamp Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is Carter 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 November 2023.
How much traffic does Carter Rd. over Swamp Creek carry?
About 3,021 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Carter Rd. over Swamp Creek?
The structure is 92 ft (27.9 m) long with a longest span of 87 ft (26.4 m) and a deck 46 ft wide.
Who owns Carter Rd. over Swamp Creek?
It is owned by the County Highway Agency.