Cascade HWY over Mill Creek
GoodMarion County, Oregon · 00.6 North of Stayton · Structure no. 47C208000 00001
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 12,890
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Cascade HWY over Mill Creek is a prestressed concrete slab carrying Cascade HWY over Mill Creek in Marion County, Oregon. It was built in 2000, so it is 25 years old, younger 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 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 12,890 vehicles a day, roughly 5% of them trucks, projected to reach 17,010 by 2025. The structure is 51 ft (15.5 m) long and 65 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cascade HWY over Mill Creek built?
It was built in 2000, making it 25 years old in 2025.
What condition is Cascade HWY over Mill 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 August 2024.
How much traffic does Cascade HWY over Mill Creek carry?
About 12,890 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Cascade HWY over Mill Creek?
The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 65 ft wide.
Who owns Cascade HWY over Mill Creek?
It is owned by the County Highway Agency.