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US 231 Sbl over Tallapoosa River

Montgomery County, Alabama · rated Fair in the 2025 National Bridge Inventory

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

US 231 Sbl over Tallapoosa River in Montgomery County, Alabama, 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 1955, making it 70 years old at the 2025 inventory.
It carries about 16,115 vehicles a day (traffic count year 2013).
Its listed owner is the state highway agency.
It is one of 363 of the 597 inventoried bridges in Montgomery County rated fair (60.8%); 16 (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.

Component ratings


Structure	Continuous steel girder and floorbeam
Length	about 1,069 ft
Location	Montgomery Elmore Co Line
NBI structure number	005162
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I85 over Rosa Parks	1971	133,908	Fair
In 85 over Ryan St	1969	109,830	Fair
In 85 over Ann St	1969	109,830	Fair
In 85 over Chestnut Street	1970	109,830	Fair
I85 over Stream	1969	109,530	Fair
I-85 over S Jackson St	1969	104,310	Poor