Frontage Road over Muddy Creek
GoodSkagit County, Washington · 10.9 E JCT SR 9 · Structure no. 0008227C0000000
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected June 2022
- Type
- Slab
- Concrete Continuous
- Length
- 52 ft
- 3 main spans
- Daily traffic
- 70
- 2002 count
- Owner
- State
- State Highway Agency
About this bridge
Frontage Road over Muddy Creek is a concrete continuous slab carrying Frontage Road over Muddy Creek in Skagit County, Washington. It was built in 1967, so it is 58 years old, older 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 99 by 2036. The structure is 52 ft (15.8 m) long and 31 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 | 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 Frontage Road over Muddy Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Frontage Road over Muddy 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 June 2022.
How much traffic does Frontage Road over Muddy Creek carry?
About 70 vehicles per day (2002 count), of which roughly 10% are trucks.
How long is Frontage Road over Muddy Creek?
The structure is 52 ft (15.8 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.
Who owns Frontage Road over Muddy Creek?
It is owned by the State Highway Agency.