Home › Alabama › Shelby County › Co. Hwy. 29 over Cahaba River

Co. Hwy. 29 over Cahaba River

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

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

Co. Hwy. 29 over Cahaba River in Shelby 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 1961, making it 64 years old at the 2025 inventory.
It carries about 16,152 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 201 of the 343 inventoried bridges in Shelby County rated fair (58.6%); 3 (0.9%) 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 224 ft
Location	300 Ft. So. Jeff Co Line
NBI structure number	007390
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I - 65 over Bishop Creek	1980	83,600	Fair
I65 over Hogpen Creek	1979	77,840	Fair
I - 65 over Buck Ck	1959	57,460	Fair
I - 65 South over Cahaba River	1978	56,815	Fair
I - 65 North over Cahaba River	1978	56,815	Fair
I - 65 South over Co Rd 17	1980	47,910	Fair