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SR 188 over Heron Bayou

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

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

SR 188 over Heron Bayou in Mobile 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 1986, making it 39 years old at the 2025 inventory.
It carries about 3,091 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 130 of the 609 inventoried bridges in Mobile County rated good (21.3%); 15 (2.5%) 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 prestressed concrete stringer or multi-beam girder
Length	about 123 ft
Location	1.7 Mi W SR 193
NBI structure number	014011
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-65 over Old Shell Rd	1962	97,939	Fair
I-65 over Spring Hill Ave	1962	97,939	Fair
I-10 WB * EB over Branch	1964	96,938	Fair
I-10 WB * EB over Halls Mill Creek	1964	96,938	Fair
I-10 WB * EB over Moores Creek	1964	96,938	Fair
I-65 over Three Mile Creek	1962	92,601	Fair