Salmon River Road over State Route 56
GoodSan Diego County, California · 11-SD-056-7.30-SD · Structure no. 57 1008
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 280 ft
- 2 main spans
- Daily traffic
- 2,230
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Salmon River Road over State Route 56 is a prestressed concrete continuous box beam or girders - multiple carrying Salmon River Road over State Route 56 in San Diego County, California. It was built in 1993, so it is 32 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 2,230 vehicles a day, roughly 1% of them trucks, projected to reach 5,256 by 2045. The structure is 280 ft (85.3 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Salmon River Road over State Route 56 built?
It was built in 1993, making it 32 years old in 2025.
What condition is Salmon River Road over State Route 56 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 May 2024.
How much traffic does Salmon River Road over State Route 56 carry?
About 2,230 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Salmon River Road over State Route 56?
The structure is 280 ft (85.3 m) long with a longest span of 139 ft (42.4 m) and a deck 64 ft wide.
Who owns Salmon River Road over State Route 56?
It is owned by the State Highway Agency.