23rd Street over U.s. Highway 101
Fair Condition73 years old4,513 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | 04-sf-101-3.37-sf |
| Carries | 23rd Street |
| Crosses | U.s. Highway 101 |
| Coordinates | 37.75443, -122.40328 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 128.0 ft (39 m) |
| Max Span | 122.0 ft (37.2 m) |
| Deck Width | 52.5 ft (16 m) |
| Deck Area | 624 sq m |
| Main Spans | 1 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 4,513 (2018) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 34 0035 |