Upper Big T Cyn RD over Alder Crk Br
Good Condition43 years old140 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 4.1mi E/o Angeles For HWY |
| Carries | Upper Big T Cyn RD |
| Crosses | Alder Crk Br |
| Coordinates | 34.30866, -118.07364 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 101.2 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 140 (2017) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53C1792 |