Twin Bridge RD over Stemple Creek
Good Condition68 years old80 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 0.22 Mi N Tmles-petlum RD |
| Carries | Twin Bridge RD |
| Crosses | Stemple Creek |
| Coordinates | 38.25846, -122.85930 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 90.9 ft (27.7 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 227.1 sq m |
| Main Spans | 3 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 80 (1973) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27C0122 |