U.S. Highway 101 over Cortland Avenue
FairSan Francisco County, California · 04-SF-101-2.28-SF · Structure no. 34 0045
- Built
- 1950
- 75 years old, rebuilt 1968
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 133 ft
- 3 main spans
- Daily traffic
- 234,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Cortland Avenue is a concrete continuous tee beam carrying U.S. Highway 101 over Cortland Avenue in San Francisco County, California. It was built in 1950 and reconstructed in 1968, so it is 75 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 234,000 vehicles a day, roughly 3% of them trucks, projected to reach 306,058 by 2046. The structure is 133 ft (40.4 m) long and 122 ft wide. If it were closed, the detour would be 1.9 mi (3 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 U.S. Highway 101 over Cortland Avenue built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1968.
What condition is U.S. Highway 101 over Cortland Avenue 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 U.S. Highway 101 over Cortland Avenue carry?
About 234,000 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is U.S. Highway 101 over Cortland Avenue?
The structure is 133 ft (40.4 m) long with a longest span of 55 ft (16.8 m) and a deck 122 ft wide.
Who owns U.S. Highway 101 over Cortland Avenue?
It is owned by the State Highway Agency.