S-6-150 over Toby Creek
Barnwell County, South Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-6-150 over Toby Creek in Barnwell County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1969, making it 56 years old at the 2025 inventory.
- It carries about 175 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 62 of the 76 inventoried bridges in Barnwell County rated fair (81.6%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (substructure 4 to 5).
- Its most recent inspection on record is dated June 2024, on a 12-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (33.32186, -81.29581)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 4 | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 44 ft |
| Location | 3 Mi S Blackville |
| NBI structure number | 000000000005470 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Barnwell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 278 over Turkey Creek | 1931 | 16,900 | Fair |
| US 278 over Salkehatchie River | 1941 | 6,700 | Fair |
| Sc 70 over Toby Creek | 1939 | 4,000 | Good |
| US 278 over Spring Fellow Creek | 1952 | 3,700 | Fair |
| US 278 over Rosemary Creek | 1952 | 3,700 | Fair |
| US 278 over Buck Creek | 1952 | 3,400 | Fair |
All bridges nearby: Barnwell County, SC bridge conditions · every bridge in Barnwell County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.