Interstate 5 NB over Oberlin Road
FairSiskiyou County, California · 02-SIS-005-R46.49-YRE · Structure no. 02 0138R
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 116 ft
- 1 main span
- Daily traffic
- 8,300
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Oberlin Road is a prestressed concrete continuous stringer/multi-beam or girder carrying Interstate 5 NB over Oberlin Road in Siskiyou County, California. It was built in 1970, so it is 55 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 8,300 vehicles a day, roughly 25% of them trucks, projected to reach 12,464 by 2046. The structure is 116 ft (35.4 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 Oberlin Road built?
It was built in 1970, making it 55 years old in 2025.
What condition is Interstate 5 NB over Oberlin Road 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 January 2024.
How much traffic does Interstate 5 NB over Oberlin Road carry?
About 8,300 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is Interstate 5 NB over Oberlin Road?
The structure is 116 ft (35.4 m) long with a longest span of 68 ft (20.7 m) and a deck 41 ft wide.
Who owns Interstate 5 NB over Oberlin Road?
It is owned by the State Highway Agency.