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US76 over Porter Swamp

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

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

US76 over Porter Swamp in Columbus 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 1927 and reconstructed in 1969, making it 98 years old at the 2025 inventory.
It carries about 3,700 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 80 of the 230 inventoried bridges in Columbus County rated fair (34.8%); 3 (1.3%) 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	Continuous steel stringer or multi-beam girder
Length	about 98 ft
Location	0.4 Mi. W. Jct. SR1414
NBI structure number	000000000470040
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US74W NC130 over Lumber River Overflow	2000	23,500	Good
US74E over Lumber River	1998	23,500	Good
US74 over Rough Horn Branch	1958	22,000	Fair
US74 over Cow Branch	1969	21,500	Fair
US74 US76E over White Marsh Swamp	1974	16,500	Fair
US74 US76W over White Marsh Swamp	1974	16,500	Fair