Fourth ST over China Basin
Fair Condition109 years old20,000 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | S Of Berry ST |
| Carries | Fourth ST |
| Crosses | China Basin |
| Coordinates | 37.77492, -122.39204 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 191.3 ft (58.3 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 787.0 sq m |
| Main Spans | 1 |
| Year Built | 1917 (reconstructed 2005) |
Traffic
| Avg Daily Traffic | 20,000 (2017) |
| Truck Traffic | 20% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 34C0027 |