SE 424th ST over Newaukum Creek
GoodKing County, Washington · 1.2 MI W of SR-169 · Structure no. 081889000000000
- Built
- 1928
- 97 years old, rebuilt 1997
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 47 ft
- 1 main span
- Daily traffic
- 1,750
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
SE 424th ST over Newaukum Creek is a prestressed concrete slab carrying SE 424th ST over Newaukum Creek in King County, Washington. It was built in 1928 and reconstructed in 1997, so it is 97 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 1,750 vehicles a day, roughly 5% of them trucks, projected to reach 2,050 by 2040. The structure is 47 ft (14.4 m) long and 28 ft wide. 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 |
|---|---|---|
| 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 SE 424th ST over Newaukum Creek built?
It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1997.
What condition is SE 424th ST over Newaukum 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 July 2023.
How much traffic does SE 424th ST over Newaukum Creek carry?
About 1,750 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SE 424th ST over Newaukum Creek?
The structure is 47 ft (14.4 m) long with a longest span of 46 ft (13.9 m) and a deck 28 ft wide.
Who owns SE 424th ST over Newaukum Creek?
It is owned by the County Highway Agency.