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SR71 over Chipola River

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

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

SR71 over Chipola River in Calhoun County, Florida, 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 1947, making it 78 years old at the 2025 inventory.
It carries about 2,600 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 36 of the 49 inventoried bridges in Calhoun County rated fair (73.5%); 2 (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 696 ft
Location	8.5mi North of Gulf Co.
NBI structure number	470005
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SR20 over Sutton Creek	1952	11,500	Fair
SR20 over Johnny H Bailey Creek	1997	10,531	Fair
SR20 over Apalachicola Relief	1997	10,531	Good
SR20 over Chipola River	2015	6,600	Good
SR 20 over Commander Creek	1940	6,200	Good
SR20 over Hogpen Branch	1939	6,200	Good