S-15-397 over Unnamed Stream -no. 2

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

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

• S-15-397 over Unnamed Stream -no. 2 in Colleton 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 substructure, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1966, making it 59 years old at the 2025 inventory.
• It carries about 175 vehicles a day (traffic count year 2023).
• Its listed owner is the state highway agency.
• It is one of 149 of the 231 inventoried bridges in Colleton County rated fair (64.5%); 6 (2.6%) 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.

View this bridge on a map → (32.90741, -80.81209)

Component ratings

Bridge details

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

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