Interstate 5 SB over Frontage Road
GoodShasta County, California · 02-SHA-005-52.84 · Structure no. 06 0194L
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 108 ft
- 1 main span
- Daily traffic
- 8,550
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Frontage Road is a prestressed concrete box beam or girders - multiple carrying Interstate 5 SB over Frontage Road in Shasta County, California. It was built in 1989, so it is 36 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 8,550 vehicles a day, roughly 32% of them trucks, projected to reach 15,245 by 2041. The structure is 108 ft (32.9 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 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 Interstate 5 SB over Frontage Road built?
It was built in 1989, making it 36 years old in 2025.
What condition is Interstate 5 SB over Frontage Road 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 March 2024.
How much traffic does Interstate 5 SB over Frontage Road carry?
About 8,550 vehicles per day (2009 count), of which roughly 32% are trucks.
How long is Interstate 5 SB over Frontage Road?
The structure is 108 ft (32.9 m) long with a longest span of 103 ft (31.5 m) and a deck 42 ft wide.
Who owns Interstate 5 SB over Frontage Road?
It is owned by the State Highway Agency.