State Route 36 over Mad River
Good Condition68 years old1,300 vehicles/day
Location
| State | California |
| County | Trinity |
| Location | 02-tri-036-r2.73 |
| Carries | State Route 36 |
| Crosses | Mad River |
| Coordinates | 40.44949, -123.50336 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 297.6 ft (90.7 m) |
| Max Span | 73.2 ft (22.3 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 897.9 sq m |
| Main Spans | 4 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 1,300 (2009) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 321 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 05 0034 |