State Route 111 NB over Rockwood Canal
GoodImperial County, California · 11-IMP-111-R20.58 · Structure no. 58 0335R
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 17,580
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 111 NB over Rockwood Canal is a concrete slab carrying State Route 111 NB over Rockwood Canal in Imperial County, California. It was built in 2003, so it is 22 years old, younger than the California average of 54.8 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 17,580 vehicles a day, roughly 25% of them trucks, projected to reach 29,500 by 2041. The structure is 39 ft (12 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| 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 State Route 111 NB over Rockwood Canal built?
It was built in 2003, making it 22 years old in 2025.
What condition is State Route 111 NB over Rockwood Canal 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 October 2024.
How much traffic does State Route 111 NB over Rockwood Canal carry?
About 17,580 vehicles per day (2018 count), of which roughly 25% are trucks.
How long is State Route 111 NB over Rockwood Canal?
The structure is 39 ft (12 m) long with a longest span of 38 ft (11.5 m) and a deck 41 ft wide.
Who owns State Route 111 NB over Rockwood Canal?
It is owned by the State Highway Agency.