US 17 Alt over Ashley River
Poor Condition55 years old19,800 vehicles/day
Location
| State | South Carolina |
| County | Dorchester |
| Location | 6 Mi S Of Summerville |
| Carries | US 17 Alt |
| Crosses | Ashley River |
| Coordinates | 32.96865, -80.25293 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 210.0 ft (64 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 928 sq m |
| Main Spans | 7 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 19,800 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005928 |