Seven Mile RD over Mill Creek
PoorWalla Walla County, Washington · 0.15 S Mill Creek RD · Structure no. 089179000000000
- Built
- 2020
- 5 years old
- Condition
- Poor
- inspected November 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 140 ft
- 1 main span
- Daily traffic
- 50
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Seven Mile RD over Mill Creek is a steel girder and floorbeam system carrying Seven Mile RD over Mill Creek in Walla Walla County, Washington. It was built in 2020, so it is 5 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, temporary structure in place while original is closed.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2040. The structure is 140 ft (42.7 m) long and 18 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Seven Mile RD over Mill Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is Seven Mile RD over Mill Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does Seven Mile RD over Mill Creek carry?
About 50 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Seven Mile RD over Mill Creek?
The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 18 ft wide.
Who owns Seven Mile RD over Mill Creek?
It is owned by the County Highway Agency.