S-15-21/sidneys RD over Trib Edisto River
Good Condition27 years old4,100 vehicles/day
Location
| State | South Carolina |
| County | Colleton |
| Location | 13.5 Mi NE Walterboro |
| Carries | S-15-21/sidneys RD |
| Crosses | Trib Edisto River |
| Coordinates | 33.05519, -80.52179 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 142.7 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 4,100 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000009420 |