Or 22 (hwy 30) over Mud Slough
GoodPolk County, Oregon · 022M East HWY 1W · Structure no. 00351A030 01831
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 28,015
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 22 (hwy 30) over Mud Slough is a concrete continuous slab carrying Or 22 (hwy 30) over Mud Slough in Polk County, Oregon. It was built in 1973, so it is 52 years old, older than the Oregon average of 49.9 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 28,015 vehicles a day, roughly 8% of them trucks, projected to reach 29,400 by 2042. The structure is 120 ft (36.6 m) long and 90 ft wide. If it were closed, the detour would be 10.6 mi (17 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 | 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 Or 22 (hwy 30) over Mud Slough built?
It was built in 1973, making it 52 years old in 2025.
What condition is Or 22 (hwy 30) over Mud Slough 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 Or 22 (hwy 30) over Mud Slough carry?
About 28,015 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Or 22 (hwy 30) over Mud Slough?
The structure is 120 ft (36.6 m) long with a longest span of 48 ft (14.6 m) and a deck 90 ft wide.
Who owns Or 22 (hwy 30) over Mud Slough?
It is owned by the State Highway Agency.