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US421 over Williams Old Mill Branch

Sampson County, North Carolina · rated Fair in the 2025 National Bridge Inventory

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

US421 over Williams Old Mill Branch in Sampson County, North Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
It was built in 1977, making it 48 years old at the 2025 inventory.
It carries about 7,500 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 88 of the 198 inventoried bridges in Sampson County rated fair (44.4%); 6 (3.0%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	5	Fair condition


Structure	Continuous concrete culvert
Length	about 24 ft
Location	0.2 Mi. S. of Jct. SR1839
NBI structure number	000000001630387
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US117 Conn NC403N over I40	1988	12,000	Fair
US117 Conn NC403S over I40	1990	12,000	Fair
SR1352 over US701	1972	10,500	Fair
I40 over Beaverdam Swamp	1988	10,000	Fair
NC24W over Little Coharrie Creek	2017	9,300	Good
US701BUS over Beaverdam Branch	1977	9,100	Fair