US 378 over Rocky Creek
Saluda County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 378 over Rocky Creek in Saluda County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 8,100 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 51 of the 125 inventoried bridges in Saluda County rated good (40.8%); 5 (4.0%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.03544, -81.49778)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 15.9 Mi NE of Saluda |
| NBI structure number | 000000000000747 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Saluda County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 178 over Little Saluda River | 1949 | 6,900 | Fair |
| Sc 391 over Little Saluda River | 1990 | 5,000 | Fair |
| US 178 over Richland Creek | 1949 | 4,900 | Fair |
| US 178 over Clouds Creek | 1949 | 4,900 | Fair |
| US 178 over Moores Creek | 1949 | 4,900 | Poor |
| Sc 121 over Red Bank Creek | 1940 | 3,800 | Fair |
All bridges nearby: Saluda County, SC bridge conditions · every bridge in Saluda County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.