State Route 1 over San Gregorio Creek
Fair Condition85 years old6,100 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | 04-sm-001-17.90 |
| Carries | State Route 1 |
| Crosses | San Gregorio Creek |
| Coordinates | 37.32065, -122.40202 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 265.1 ft (80.8 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 783.8 sq m |
| Main Spans | 5 |
| Year Built | 1941 |
Traffic
| Avg Daily Traffic | 6,100 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 35 0030 |