S-20-15 over Sawneys Creek
Fairfield County, South Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S-20-15 over Sawneys Creek in Fairfield County, South Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1957, making it 68 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 8 of the 139 inventoried bridges in Fairfield County rated poor (5.8%); 8 (5.8%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated December 2024, on a 12-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (34.29417, -80.85944)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 89 ft |
| Location | 14.3MI SE Winnsboro |
| NBI structure number | 000000000002521 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.
Busiest bridges in Fairfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-77 over Center Creek | 1978 | 53,600 | Good |
| I-77 over Big Cedar Creek | 1978 | 53,600 | Fair |
| I-77 over Dutchmans Creek | 1978 | 48,900 | Fair |
| I-77 NB over Sc 34 | 1978 | 24,450 | Good |
| I-77 SB over Sc 34 | 1978 | 24,450 | Good |
| I-77 Nbl over Big Wateree Ck | 1979 | 24,300 | Fair |
All bridges nearby: Fairfield County, SC bridge conditions · every bridge in Fairfield County · South Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.