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S-12-355 over Trib to Little Rocky CR

Chester County, South Carolina · rated Poor in the 2025 National Bridge Inventory

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

S-12-355 over Trib to Little Rocky CR in Chester County, South Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 20 of the 191 inventoried bridges in Chester County rated poor (10.5%); 20 (10.5%) 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.

Component ratings


Structure	Prestressed concrete channel beam
Length	about 60 ft
Location	7.7MI NW Great Falls
NBI structure number	000000000004963
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-77 NB over Scl Railroad	1978	28,150	Fair
I-77 SB over Scl Railroad	1978	28,150	Fair
I-77 NB over S. Fork Fishing Ck	1979	28,150	Fair
I-77 Nbl over Fishing Creek	1979	28,150	Fair
I-77 SB over S. Fork Fishing Ck	1979	28,150	Fair
I-77 Sbl over Fishing Creek	1979	28,150	Fair