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I-95 SB over Lake Marion

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

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

I-95 SB over Lake Marion in Clarendon 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 deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1968, making it 57 years old at the 2025 inventory.
It carries about 19,800 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 132 of the 170 inventoried bridges in Clarendon County rated fair (77.6%); 7 (4.1%) 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	Continuous steel stringer or multi-beam girder
Length	about 4,500 ft
Location	7MI S of Summerton
NBI structure number	000000000005258
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-95 over Tawcaw Creek	1967	35,400	Fair
I-95 NB over Lake Marion	1968	19,800	Fair
I-95 NB over Lake Marion Relief	1968	19,800	Fair
I-95 NB over US 15	1968	19,800	Fair
I-95 SB over Lake Marion Relief	1968	19,800	Fair
I-95 SB over US 15	1968	19,800	Fair