Nelson Shippee RD over Western Canal
PoorButte County, California · 0.6 MI E/O Midway RD · Structure no. 12C0367
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 80 ft
- 4 main spans
- Daily traffic
- 110
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Nelson Shippee RD over Western Canal is a steel stringer/multi-beam or girder carrying Nelson Shippee RD over Western Canal in Butte County, California. It was built in 1940, so it is 85 years old, older than the California average of 54.8 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.
It carries about 110 vehicles a day, roughly 3% of them trucks, projected to reach 208 by 2042. The structure is 80 ft (24.4 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Nelson Shippee RD over Western Canal built?
It was built in 1940, making it 85 years old in 2025.
What condition is Nelson Shippee RD over Western Canal 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 February 2025.
How much traffic does Nelson Shippee RD over Western Canal carry?
About 110 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Nelson Shippee RD over Western Canal?
The structure is 80 ft (24.4 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.
Who owns Nelson Shippee RD over Western Canal?
It is owned by the County Highway Agency.