Road 20n24 over Ponderosa Spillway
Good Condition66 years old50 vehicles/day
Location
| State | California |
| County | Butte |
| Location | Ponderosa Reservoir |
| Carries | Road 20n24 |
| Crosses | Ponderosa Spillway |
| Coordinates | 39.54976, -121.30368 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 104.7 ft (31.9 m) |
| Max Span | 51.2 ft (15.6 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 194.6 sq m |
| Main Spans | 2 |
| Year Built | 1960 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 50 |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 051153000001034 |