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Ramp 45 to SR 20 over RAMP43 Into Airport Rd

Madison County, Alabama · rated Good in the 2025 National Bridge Inventory

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

Ramp 45 to SR 20 over RAMP43 Into Airport Rd in Madison County, Alabama, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 2,310 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 281 of the 712 inventoried bridges in Madison County rated good (39.5%); 9 (1.3%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 242 ft
Location	.3 M W Jct I565*AIRPRT Rd
NBI structure number	014778
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US231; US431; SR1 over Norfolk Southern	1991	127,353	Good
I565 * Ramps over Mcdonald Creek	1991	125,237	Fair
I565 * Ramps over Creek	1991	123,575	Fair
I-565; Alt US 72 over N/S R.R / City Streets	1991	98,210	Fair
I-565; Alt US 72 over N/S R.R / City Streets	1991	91,064	Fair
US 231 over Governors Dr * Branch	1978	83,768	Fair