State Route 99 NB over Mud Creek
Good Condition60 years old9,500 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 03-but-099-r37.20 |
| Carries | State Route 99 NB |
| Crosses | Mud Creek |
| Coordinates | 39.78396, -121.88478 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 255.2 ft (77.8 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 809.1 sq m |
| Main Spans | 6 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 9,500 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12 0156R |