US 601 over Antley Spring Creek
Calhoun County, South Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 601 over Antley Spring Creek in Calhoun 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 1930 and reconstructed in 1965, making it 95 years old at the 2025 inventory.
- It carries about 5,700 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 6 of the 61 inventoried bridges in Calhoun County rated good (9.8%); 2 (3.3%) 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 → (33.64832, -80.78604)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 2 Mi S of St Matthews |
| NBI structure number | 000000000000387 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Calhoun County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-26 over Savany Hunt Creek | 1960 | 64,600 | Fair |
| I-26 over Sandy Run Creek | 1960 | 62,000 | Fair |
| I-26 over Murph Mill Creek | 1960 | 61,200 | Fair |
| I-26 over Burke Creek | 1960 | 58,800 | Fair |
| US 21 over Murph Mill Creek | 1940 | 5,000 | Fair |
| US 21 over Savany Hunt Creek | 1965 | 4,900 | Fair |
All bridges nearby: Calhoun County, SC bridge conditions · every bridge in Calhoun County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.