SR 321-pa 321 over South Branch Sugar Run
Good Condition32 years old72 vehicles/day
Location
| State | Pennsylvania |
| County | McKean |
| Location | 4 Mi W Marshburg |
| Carries | SR 321-pa 321 |
| Crosses | South Branch Sugar Run |
| Coordinates | 41.87351, -78.83053 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 128.8 sq m |
| Main Spans | 1 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 72 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000025388 |