SW Seiffert RD over Heaton Creek
GoodWashington County, Oregon · 0.5 MI South HWY 219 · Structure no. 671225177600000
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 64 ft
- 2 main spans
- Daily traffic
- 1,147
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
SW Seiffert RD over Heaton Creek is a prestressed concrete slab carrying SW Seiffert RD over Heaton Creek in Washington County, Oregon. It was built in 1972, so it is 53 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 1,147 vehicles a day, roughly 5% of them trucks, projected to reach 1,272 by 2025. The structure is 64 ft (19.5 m) long and 28 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 SW Seiffert RD over Heaton Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is SW Seiffert RD over Heaton 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 2024.
How much traffic does SW Seiffert RD over Heaton Creek carry?
About 1,147 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is SW Seiffert RD over Heaton Creek?
The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.
Who owns SW Seiffert RD over Heaton Creek?
It is owned by the County Highway Agency.