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SR 21 over Branch

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

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

SR 21 over Branch in Monroe County, Alabama, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1939, making it 86 years old at the 2025 inventory.
It carries about 5,070 vehicles a day (traffic count year 2013).
Its listed owner is the state highway agency.
It is one of 78 of the 142 inventoried bridges in Monroe County rated good (54.9%); 4 (2.8%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
Its condition class and component ratings are unchanged from the 2024 inventory.
Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
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

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	7	7	Good condition


Structure	Concrete culvert
Length	about 40 ft
Location	1.5MI.N.OF Frisco City
NBI structure number	001966
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	September 2023
Inspection interval (item 91)	24 months
Scour (item 113)	8: foundations stable, scour above the top of the footing

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

Bridge	Built	Vehicles/day	Condition
US 84 over Escambia Creek	1947	5,790	Fair
SR 21 over A.g.r	1938	5,070	Fair
SR 21 over Branch	1994	4,490	Fair
US 84 over Trib. to Al. River	1974	3,316	Fair
US 84 over Alabama River Rel.	1983	3,316	Good
US 84 over Alabama River Rel.	1983	3,316	Fair