E Rio Bonito Road over Sutter-Butte Canal
PoorButte County, California · 0.8 MI East of SR 99 · Structure no. 12C0165
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 270
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
E Rio Bonito Road over Sutter-Butte Canal is a steel continuous stringer/multi-beam or girder carrying E Rio Bonito Road over Sutter-Butte Canal in Butte County, California. It was built in 1974, so it is 51 years old, younger 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 270 vehicles a day, roughly 2% of them trucks, projected to reach 436 by 2045. The structure is 37 ft (11.3 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E Rio Bonito Road over Sutter-Butte Canal built?
It was built in 1974, making it 51 years old in 2025.
What condition is E Rio Bonito Road over Sutter-Butte 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 E Rio Bonito Road over Sutter-Butte Canal carry?
About 270 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is E Rio Bonito Road over Sutter-Butte Canal?
The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.4 m) and a deck 18 ft wide.
Who owns E Rio Bonito Road over Sutter-Butte Canal?
It is owned by the County Highway Agency.