Santiago Road over Interstate 15
GoodRiverside County, California · 08-RIV-015-4.12-TMCA · Structure no. 56 0654
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 385 ft
- 2 main spans
- Daily traffic
- 1,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Santiago Road over Interstate 15 is a prestressed concrete continuous box beam or girders - multiple carrying Santiago Road over Interstate 15 in Riverside County, California. It was built in 1976, so it is 49 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,148 by 2041. The structure is 385 ft (117.4 m) long and 47 ft wide.
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 Santiago Road over Interstate 15 built?
It was built in 1976, making it 49 years old in 2025.
What condition is Santiago Road over Interstate 15 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 2023.
How much traffic does Santiago Road over Interstate 15 carry?
About 1,000 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Santiago Road over Interstate 15?
The structure is 385 ft (117.4 m) long with a longest span of 192 ft (58.5 m) and a deck 47 ft wide.
Who owns Santiago Road over Interstate 15?
It is owned by the State Highway Agency.