US 40 Alt over Porter Run
Fair Condition78 years old9,951 vehicles/day
Location
| State | Maryland |
| County | Allegany |
| Location | .04 Miles West Of Md 743 |
| Carries | US 40 Alt |
| Crosses | Porter Run |
| Coordinates | 39.64976, -78.89411 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 106.9 sq m |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 9,951 (2018) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000010024020 |