US 17 (SR 15) over St Johns River

Putnam County, Florida · rated Fair in the 2025 National Bridge Inventory

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

• US 17 (SR 15) over St Johns River in Putnam County, Florida, 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 1977 and reconstructed in 2013, making it 48 years old at the 2025 inventory.
• It carries about 35,000 vehicles a day (traffic count year 2022).
• Its listed owner is the state highway agency.
• It is one of 38 of the 73 inventoried bridges in Putnam County rated fair (52.1%); 2 (2.7%) 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 → (29.64599, -81.62286)

Component ratings

Bridge details

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

Busiest bridges in Putnam County

All bridges nearby: Putnam County, FL bridge conditions · every bridge in Putnam County · Florida bridges.

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