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I-40 Wbl over Catawba River

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

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

I-40 Wbl over Catawba River in Iredell 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 superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1957 and reconstructed in 1996, making it 68 years old at the 2025 inventory.
It carries about 18,250 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 188 of the 333 inventoried bridges in Iredell County rated fair (56.5%); 48 (14.4%) 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 912 ft
Location	1.2 Mi. W. Jct. SR1502
NBI structure number	000000000970007
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I77 over Lake Norman	2018	63,500	Good
I77 over Ut to Fourth Creek	1957	58,000	Fair
I-77 over Duck Creek	1970	56,500	Fair
I77 over Cornelius Creek	1966	54,000	Fair
I-40 over Ut to Fourth Creek	2022	41,500	Good
I77 over Fifth Creek	1973	38,500	Fair