Richardson Highway over Sourdough Creek
Fair Condition39 years old330 vehicles/day
Location
| State | Alaska |
| County | County 066 |
| Location | Mile Point 150.5 |
| Carries | Richardson Highway |
| Crosses | Sourdough Creek |
| Coordinates | 62.52889, -145.51583 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 98.4 ft (30 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 344.6 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 330 (2020) |
| Truck Traffic | 22% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0575 |