U.s. Highway 101 over Toll Plaza Undercrossing
Fair Condition89 years old90,932 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | 04-sf-101-9.85 |
| Carries | U.s. Highway 101 |
| Crosses | Toll Plaza Undercrossing |
| Coordinates | 37.80623, -122.47599 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 28.9 ft (8.8 m) |
| Max Span | 27.6 ft (8.4 m) |
| Deck Width | 291.0 ft (88.7 m) |
| Deck Area | 780.6 sq m |
| Main Spans | 1 |
| Year Built | 1937 |
Traffic
| Avg Daily Traffic | 90,932 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 13 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | Local Toll Authority |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 34 0069 |