HWY 6 Frontage RD over Grande Ronde River
GoodUnion County, Oregon · 3.4 MI NW Lagrande · Structure no. 08427 006F25675
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 256 ft
- 4 main spans
- Daily traffic
- 9
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 6 Frontage RD over Grande Ronde River is a concrete continuous tee beam carrying HWY 6 Frontage RD over Grande Ronde River in Union County, Oregon. It was built in 1959, so it is 66 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 9 vehicles a day, roughly 44% of them trucks, projected to reach 30 by 2030. The structure is 256 ft (78 m) long and 31 ft wide. If it were closed, the detour would be 42.9 mi (69 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 6 Frontage RD over Grande Ronde River built?
It was built in 1959, making it 66 years old in 2025.
What condition is HWY 6 Frontage RD over Grande Ronde River 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 May 2024.
How much traffic does HWY 6 Frontage RD over Grande Ronde River carry?
About 9 vehicles per day (2022 count), of which roughly 44% are trucks.
How long is HWY 6 Frontage RD over Grande Ronde River?
The structure is 256 ft (78 m) long with a longest span of 71 ft (21.6 m) and a deck 31 ft wide.
Who owns HWY 6 Frontage RD over Grande Ronde River?
It is owned by the State Highway Agency.