LAWSON/5220 over Four Mile Creek
GoodWhitman County, Washington · 3.00 MI S Mader · Structure no. 087110000000000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 50
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
LAWSON/5220 over Four Mile Creek is a prestressed concrete slab carrying LAWSON/5220 over Four Mile Creek in Whitman County, Washington. It was built in 2003, so it is 22 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 50 vehicles a day, roughly 25% of them trucks, projected to reach 50 by 2039. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LAWSON/5220 over Four Mile Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is LAWSON/5220 over Four Mile 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 December 2024.
How much traffic does LAWSON/5220 over Four Mile Creek carry?
About 50 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is LAWSON/5220 over Four Mile Creek?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.
Who owns LAWSON/5220 over Four Mile Creek?
It is owned by the County Highway Agency.