US 278 EB over Palmetto Lagoon
Good Condition48 years old13,600 vehicles/day
Location
| State | South Carolina |
| County | Beaufort |
| Location | Hilton Head Island |
| Carries | US 278 EB |
| Crosses | Palmetto Lagoon |
| Coordinates | 32.18025, -80.72467 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 131.9 ft (40.2 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 522.6 sq m |
| Main Spans | 6 |
| Year Built | 1978 |
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 | 000000000007069 |