Mattiss Mil T-550 over Wiconisco Creek
Good Condition17 years old50 vehicles/day
Location
| State | Pennsylvania |
| County | Dauphin |
| Location | Washington Township |
| Carries | Mattiss Mil T-550 |
| Crosses | Wiconisco Creek |
| Coordinates | 40.55428, -76.83689 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 82.0 ft (25 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 235 sq m |
| Main Spans | 1 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 50 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000045499 |