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SR1311 over North Prong Lewis Fork C

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

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

SR1311 over North Prong Lewis Fork C in Wilkes 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 substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1957 and reconstructed in 1988, making it 68 years old at the 2025 inventory.
It carries about 460 vehicles a day (traffic count year 2014).
Its listed owner is the state highway agency.
It is one of 181 of the 350 inventoried bridges in Wilkes County rated fair (51.7%); 51 (14.6%) 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	Steel stringer or multi-beam girder
Length	about 109 ft
Location	.1 MI.E.JCT.SR1307
NBI structure number	000000001930076
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US421 Byp over Tucker Hole Creek	1955	31,500	Fair
US421 Byp over Little Cub Creek	1966	26,000	Good
US421 Byp over Cub Creek	1966	25,000	Fair
US421 over Miller Creek	1955	23,000	Fair
US421 Sbl over SR2325	2002	19,500	Good
US421B over Reddies River	1935	18,000	Poor