S-609 over Crooked Creek
Marlboro County, South Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-609 over Crooked Creek in Marlboro County, South Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 7 of the 97 inventoried bridges in Marlboro County rated poor (7.2%); 7 (7.2%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (34.79585, -79.66969)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete slab |
| Length | about 29 ft |
| Location | 12.5 Mi N of Bennettsvill |
| NBI structure number | 000000000007145 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Marlboro County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sc 9 Bus over Crooked Creek | 1921 | 10,100 | Poor |
| Sc 9 over Phillis Creek | 1932 | 8,300 | Poor |
| Sc 9 over Crooked Creek | 2010 | 7,900 | Good |
| US 15 over Beaver Dam Creek | 1939 | 7,600 | Fair |
| US 15 over Panther Creek | 1925 | 7,600 | Poor |
| Sc 38 over Three Creeks | 1994 | 7,500 | Fair |
All bridges nearby: Marlboro County, SC bridge conditions · every bridge in Marlboro County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.