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S-20-28 over Mobley Creek

Fairfield County, South Carolina · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

S-20-28 over Mobley Creek in Fairfield County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1987, making it 38 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 82 of the 139 inventoried bridges in Fairfield County rated fair (59.0%); 8 (5.8%) are rated poor.
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.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 225 ft
Location	12.2 Mi NW Winnsboro
NBI structure number	000000000008070
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the South Carolina department of transportation.

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