MULKEY/4330 over Unnamed Drainage
GoodWhitman County, Washington · 4.59 MI E Endictt-St John · Structure no. 088250000000000
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected January 2023
- Type
- Culvert
- Steel
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 60
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
MULKEY/4330 over Unnamed Drainage is a steel culvert carrying MULKEY/4330 over Unnamed Drainage in Whitman County, Washington. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 60 vehicles a day, roughly 25% of them trucks, projected to reach 61 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 21.1 mi (34 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was MULKEY/4330 over Unnamed Drainage built?
It was built in 2010, making it 15 years old in 2025.
What condition is MULKEY/4330 over Unnamed Drainage 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 January 2023.
How much traffic does MULKEY/4330 over Unnamed Drainage carry?
About 60 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is MULKEY/4330 over Unnamed Drainage?
The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).
Who owns MULKEY/4330 over Unnamed Drainage?
It is owned by the County Highway Agency.