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I440 over SR1676(LAKE Boone Trail)

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

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

I440 over SR1676(LAKE Boone Trail) in Wake 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1960 and reconstructed in 1996, making it 65 years old at the 2025 inventory.
It carries about 120,000 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 300 of the 800 inventoried bridges in Wake County rated fair (37.5%); 42 (5.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 141 ft
Location	0.86 MI.N.JCT.SR1728
NBI structure number	000000001830242
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I40 Wbl over Crabtree Creek	1969	133,000	Fair
I40 Wbl over SR1728	1981	133,000	Good
I440 over US70	1960	120,000	Fair
I-40 over Stirrup Iron Creek	1969	120,000	Fair
I40 over Big Branch Creek	1986	119,000	Fair
I40 over Brier Creek	1968	116,000	Fair