State Route 1 over Lagunitas Creek
Poor Condition97 years old3,500 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 04-mrn-001-28.51 |
| Carries | State Route 1 |
| Crosses | Lagunitas Creek |
| Coordinates | 38.06457, -122.80511 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 151.6 ft (46.2 m) |
| Max Span | 101.7 ft (31 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 406.6 sq m |
| Main Spans | 1 |
| Year Built | 1929 |
Traffic
| Avg Daily Traffic | 3,500 (2020) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27 0023 |