Interstate 15 SB over San Jacinto River
GoodRiverside County, California · 08-RIV-015-19.37 · Structure no. 56 0728L
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 395 ft
- 3 main spans
- Daily traffic
- 61,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 SB over San Jacinto River is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 15 SB over San Jacinto River in Riverside County, California. It was built in 1982, so it is 43 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 61,000 vehicles a day, roughly 11% of them trucks, projected to reach 95,590 by 2046. The structure is 395 ft (120.3 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 SB over San Jacinto River built?
It was built in 1982, making it 43 years old in 2025.
What condition is Interstate 15 SB over San Jacinto River 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 January 2024.
How much traffic does Interstate 15 SB over San Jacinto River carry?
About 61,000 vehicles per day (2015 count), of which roughly 11% are trucks.
How long is Interstate 15 SB over San Jacinto River?
The structure is 395 ft (120.3 m) long with a longest span of 145 ft (44.1 m) and a deck 79 ft wide.
Who owns Interstate 15 SB over San Jacinto River?
It is owned by the State Highway Agency.