Blagg Lane over Grass Valley Canyon
PoorPosted for loadSherman County, Oregon · 0.03 MI E of HWY 97 · Structure no. 18017 000000000
- Built
- 1957
- 68 years old
- Condition
- Poor
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 301
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Blagg Lane over Grass Valley Canyon is a concrete continuous culvert carrying Blagg Lane over Grass Valley Canyon in Sherman County, Oregon. It was built in 1957, so it is 68 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 301 vehicles a day, roughly 4% of them trucks, projected to reach 338 by 2025. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Blagg Lane over Grass Valley Canyon built?
It was built in 1957, making it 68 years old in 2025.
What condition is Blagg Lane over Grass Valley Canyon in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does Blagg Lane over Grass Valley Canyon carry?
About 301 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Blagg Lane over Grass Valley Canyon?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.
Who owns Blagg Lane over Grass Valley Canyon?
It is owned by the County Highway Agency.