Lower Dry Creek RD over Mud Creek
GoodWalla Walla County, Washington · 05.831 E SR 12 · Structure no. 085883000000000
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 508
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Lower Dry Creek RD over Mud Creek is a prestressed concrete slab carrying Lower Dry Creek RD over Mud Creek in Walla Walla County, Washington. It was built in 1991, so it is 34 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 508 vehicles a day, roughly 5% of them trucks, projected to reach 917 by 2043. The structure is 26 ft (7.9 m) long and 37 ft wide. If it were closed, the detour would be 13 mi (21 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 | 8 Very Good | No problems noted. |
| 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 Lower Dry Creek RD over Mud Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Lower Dry Creek RD over Mud 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 September 2023.
How much traffic does Lower Dry Creek RD over Mud Creek carry?
About 508 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Lower Dry Creek RD over Mud Creek?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 37 ft wide.
Who owns Lower Dry Creek RD over Mud Creek?
It is owned by the County Highway Agency.