US 278 WB over Palmetto Lagoon
Good Condition25 years old13,600 vehicles/day
Location
| State | South Carolina |
| County | Beaufort |
| Location | Hilton Head Island |
| Carries | US 278 WB |
| Crosses | Palmetto Lagoon |
| Coordinates | 32.18011, -80.72455 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 527.0 sq m |
| Main Spans | 3 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 13,600 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009556 |