4007-mountain RD over Three Square Hollow Ck
Fair Condition89 years old341 vehicles/day
Location
| State | Pennsylvania |
| County | Cumberland |
| Location | 2 Mi N Of Heberlig |
| Carries | 4007-mountain RD |
| Crosses | Three Square Hollow Ck |
| Coordinates | 40.17888, -77.52873 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 87 sq m |
| Main Spans | 1 |
| Year Built | 1937 (reconstructed 1987) |
Traffic
| Avg Daily Traffic | 341 (2024) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000013959 |