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S-40-1601 over Eightmile Branch

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

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

S-40-1601 over Eightmile Branch in Richland 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 1966, making it 59 years old at the 2025 inventory.
It carries about 325 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 17 of the 367 inventoried bridges in Richland County rated poor (4.6%); 17 (4.6%) 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 stringer or multi-beam girder
Length	about 29 ft
Location	4 Mi NE of Columbia
NBI structure number	000000000004888
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-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