Justin Drive over Route I 280
PoorSan Francisco County, California · 04-SF-280-R3.23-SF · Structure no. 34 0075
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 182 ft
- 2 main spans
- Daily traffic
- 5,512
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Justin Drive over Route I 280 is a concrete continuous box beam or girders - multiple carrying Justin Drive over Route I 280 in San Francisco County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 5,512 vehicles a day, roughly 1% of them trucks, projected to reach 21,305 by 2044. The structure is 182 ft (55.6 m) long and 48 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Justin Drive over Route I 280 built?
It was built in 1963, making it 62 years old in 2025.
What condition is Justin Drive over Route I 280 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does Justin Drive over Route I 280 carry?
About 5,512 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Justin Drive over Route I 280?
The structure is 182 ft (55.6 m) long with a longest span of 91 ft (27.6 m) and a deck 48 ft wide.
Who owns Justin Drive over Route I 280?
It is owned by the State Highway Agency.