Interstate 5 NB over UP RR & AMTRAK
FairSiskiyou County, California · 02-SIS-005-R15.94 · Structure no. 02 0004R
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 193 ft
- 3 main spans
- Daily traffic
- 12,750
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over UP RR & AMTRAK is a concrete continuous box beam or girders - multiple carrying Interstate 5 NB over UP RR & AMTRAK in Siskiyou County, California. It was built in 1973, so it is 52 years old, younger 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 6 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 12,750 vehicles a day, roughly 27% of them trucks, projected to reach 17,401 by 2045. The structure is 193 ft (58.8 m) long and 54 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 NB over UP RR & AMTRAK built?
It was built in 1973, making it 52 years old in 2025.
What condition is Interstate 5 NB over UP RR & AMTRAK 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 July 2024.
How much traffic does Interstate 5 NB over UP RR & AMTRAK carry?
About 12,750 vehicles per day (2024 count), of which roughly 27% are trucks.
How long is Interstate 5 NB over UP RR & AMTRAK?
The structure is 193 ft (58.8 m) long with a longest span of 77 ft (23.6 m) and a deck 54 ft wide.
Who owns Interstate 5 NB over UP RR & AMTRAK?
It is owned by the State Highway Agency.