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S-40-55 over Cabin Branch

Richland County, South Carolina · rated Good in the 2025 National Bridge Inventory

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

S-40-55 over Cabin Branch in Richland County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2009, making it 16 years old at the 2025 inventory.
It carries about 650 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 182 of the 367 inventoried bridges in Richland County rated good (49.6%); 17 (4.6%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
I-26 over I-20	1964	143,200	Fair
I-26/RAMP Off I-26 over RR Csxt	1958	130,700	Fair
I-20 over Crane Creek & S-43	1964	123,700	Fair
I-20 over Broad River	1965	123,700	Fair
I-20 over Sou. RR & Priv. Rd. .	1965	123,700	Fair
I-20 over Trib to Crane Creek	1965	107,900	Fair