County RD 20 over Middle Fork John Day Rvr
GoodGrant County, Oregon · 13.0 MI W US 26 · Structure no. 16309 020 01300
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 221
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 20 over Middle Fork John Day Rvr is a prestressed concrete slab carrying County RD 20 over Middle Fork John Day Rvr in Grant County, Oregon. It was built in 1979, so it is 46 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 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 221 vehicles a day, roughly 20% of them trucks, projected to reach 256 by 2025. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 County RD 20 over Middle Fork John Day Rvr built?
It was built in 1979, making it 46 years old in 2025.
What condition is County RD 20 over Middle Fork John Day Rvr 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 October 2024.
How much traffic does County RD 20 over Middle Fork John Day Rvr carry?
About 221 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is County RD 20 over Middle Fork John Day Rvr?
The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.
Who owns County RD 20 over Middle Fork John Day Rvr?
It is owned by the County Highway Agency.