Rd. No. 4030 over Mallardy Creek
GoodSnohomish County, Washington · M.P. 0.1 Rd. No. 4030 · Structure no. 060502000001397
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 91 ft
- 1 main span
- Daily traffic
- 34
- 1980 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Rd. No. 4030 over Mallardy Creek is a prestressed concrete stringer/multi-beam or girder carrying Rd. No. 4030 over Mallardy Creek in Snohomish County, Washington. It was built in 1978, so it is 47 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 34 vehicles a day, projected to reach 51 by 2045. The structure is 91 ft (27.6 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 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 Rd. No. 4030 over Mallardy Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Rd. No. 4030 over Mallardy 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 October 2022.
How much traffic does Rd. No. 4030 over Mallardy Creek carry?
About 34 vehicles per day (1980 count).
How long is Rd. No. 4030 over Mallardy Creek?
The structure is 91 ft (27.6 m) long with a longest span of 85 ft (25.9 m) and a deck 17 ft wide.
Who owns Rd. No. 4030 over Mallardy Creek?
It is owned by the U.S. Forest Service.