HWY 402 over N Fork John Day River
GoodGrant County, Oregon · In Monument · Structure no. 20475 402 01396
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 400 ft
- 3 main spans
- Daily traffic
- 195
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 402 over N Fork John Day River is a prestressed concrete stringer/multi-beam or girder carrying HWY 402 over N Fork John Day River in Grant County, Oregon. It was built in 2008, so it is 17 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 195 vehicles a day, roughly 24% of them trucks, projected to reach 210 by 2042. The structure is 400 ft (121.9 m) long and 44 ft wide. If it were closed, the detour would be 41.6 mi (67 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 402 over N Fork John Day River built?
It was built in 2008, making it 17 years old in 2025.
What condition is HWY 402 over N Fork John Day 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 402 over N Fork John Day River carry?
About 195 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is HWY 402 over N Fork John Day River?
The structure is 400 ft (121.9 m) long with a longest span of 150 ft (45.7 m) and a deck 44 ft wide.
Who owns HWY 402 over N Fork John Day River?
It is owned by the State Highway Agency.