B472 Lava Bed Road over Riddle Creek
FairPosted for loadHarney County, Oregon · 134 MI Ore 78 Steens HWY · Structure no. 25C04 C404 1345
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 148
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
B472 Lava Bed Road over Riddle Creek is a wood or timber stringer/multi-beam or girder carrying B472 Lava Bed Road over Riddle Creek in Harney County, Oregon. It was built in 1987, so it is 38 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 148 vehicles a day, roughly 10% of them trucks, projected to reach 168 by 2025. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 41 mi (66 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 B472 Lava Bed Road over Riddle Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is B472 Lava Bed Road over Riddle Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does B472 Lava Bed Road over Riddle Creek carry?
About 148 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is B472 Lava Bed Road over Riddle Creek?
The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 28 ft wide.
Who owns B472 Lava Bed Road over Riddle Creek?
It is owned by the County Highway Agency.