SR 4003 over Mill Run
Fair Condition64 years old9,532 vehicles/day
Location
| State | Pennsylvania |
| County | Blair |
| Location | Altoona Logan Blvd. |
| Carries | SR 4003 |
| Crosses | Mill Run |
| Coordinates | 40.48041, -78.40479 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 98.4 ft (30 m) |
| Deck Area | 639 sq m |
| Main Spans | 2 |
| Year Built | 1962 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 9,532 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005800 |