Old HWY 101 over Nctd BNSF RY AMTRAK
FairSan Diego County, California · San Onofre State Park · Structure no. 57P0008
- Built
- 1937
- 88 years old, rebuilt 1962
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 240 ft
- 5 main spans
- Daily traffic
- 8,600
- 2016 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Old HWY 101 over Nctd BNSF RY AMTRAK is a concrete continuous tee beam carrying Old HWY 101 over Nctd BNSF RY AMTRAK in San Diego County, California. It was built in 1937 and reconstructed in 1962, so it is 88 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 8,600 vehicles a day, roughly 3% of them trucks, projected to reach 10,723 by 2045. The structure is 240 ft (73.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 101 over Nctd BNSF RY AMTRAK built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1962.
What condition is Old HWY 101 over Nctd BNSF RY 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 June 2023.
How much traffic does Old HWY 101 over Nctd BNSF RY AMTRAK carry?
About 8,600 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is Old HWY 101 over Nctd BNSF RY AMTRAK?
The structure is 240 ft (73.2 m) long with a longest span of 73 ft (22.3 m) and a deck 53 ft wide.
Who owns Old HWY 101 over Nctd BNSF RY AMTRAK?
It is owned by the State Park, Forest, or Reservation Agency.