SR 4001 over Armstrong Creek
Poor Condition52 years old522 vehicles/day
Location
| State | Pennsylvania |
| County | Dauphin |
| Location | 3.5 Mi S W Elizabethville |
| Carries | SR 4001 |
| Crosses | Armstrong Creek |
| Coordinates | 40.50921, -76.84885 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 157.4 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 522 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000014570 |