Interstate 5 NB over Hillside
FairShasta County, California · 02-SHA-005-R30.87R · Structure no. 06 0133R
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 356 ft
- 4 main spans
- Daily traffic
- 18,300
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Hillside is a prestressed concrete continuous stringer/multi-beam or girder carrying Interstate 5 NB over Hillside in Shasta County, California. It was built in 1968, so it is 57 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 18,300 vehicles a day, roughly 28% of them trucks, projected to reach 36,459 by 2042. The structure is 356 ft (108.4 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 NB over Hillside built?
It was built in 1968, making it 57 years old in 2025.
What condition is Interstate 5 NB over Hillside in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.
How much traffic does Interstate 5 NB over Hillside carry?
About 18,300 vehicles per day (2009 count), of which roughly 28% are trucks.
How long is Interstate 5 NB over Hillside?
The structure is 356 ft (108.4 m) long with a longest span of 89 ft (27.1 m) and a deck 41 ft wide.
Who owns Interstate 5 NB over Hillside?
It is owned by the State Highway Agency.