Geiger RD over Tualatin River Overflow
GoodWashington County, Oregon · 003 MI E Fern Mill RD · Structure no. 671250039800030
- Built
- 1964
- 61 years old, rebuilt 1991
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 282
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Geiger RD over Tualatin River Overflow is a prestressed concrete slab carrying Geiger RD over Tualatin River Overflow in Washington County, Oregon. It was built in 1964 and reconstructed in 1991, so it is 61 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 282 vehicles a day, roughly 5% of them trucks, projected to reach 311 by 2025. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Geiger RD over Tualatin River Overflow built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.
What condition is Geiger RD over Tualatin River Overflow 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 Geiger RD over Tualatin River Overflow carry?
About 282 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Geiger RD over Tualatin River Overflow?
The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.
Who owns Geiger RD over Tualatin River Overflow?
It is owned by the County Highway Agency.