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Bridge conditions in McCormick County, South Carolina

68 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory

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

3 of the 68 bridges the federal inventory lists in McCormick County are rated poor; the rest split 27 good and 38 fair.

3 of the 68 bridges in McCormick County, South Carolina, are rated in poor condition (4.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
27 bridges (39.7%) are rated good and 38 (55.9%) fair.
The median McCormick County bridge was built in 1968.
The busiest poor-rated bridge is Sc 823 over Lott Creek (built 1958), carrying about 275 vehicles a day.

Good 39.7% · Fair 55.9% · Poor 4.4% of 68 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Sc 823 over Lott Creek	1958	275	Poor
S-33-117 over Long Cane Creek	1932	150	Poor
S-33-38 over Bold Branch	1963	25	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Sc 28 over Savannah River	1929	4,600	Fair
Sc 28 over CSX Rail Road	1987	4,200	Good
US 221 over Rocky Creek	1941	3,300	Fair
US 221 over Simmons Branch	1942	3,300	Fair
US 378 over Little River	2017	2,700	Good
US 378/GA SR 43 over Savannah River	2016	2,700	Good
Sc 28 over Taylor Creek	1930	2,300	Good
Sc 28 over Bold Creek	1930	2,000	Fair
Sc 28 over Long Cane Creek	1931	1,800	Fair
Sc 28 over Buffalo Creek	1932	1,800	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of South Carolina: South Carolina bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.