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I40 85 US29 70 220 over South Buffalo Creek

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

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

I40 85 US29 70 220 over South Buffalo Creek in Guilford 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 deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1955 and reconstructed in 1994, making it 70 years old at the 2025 inventory.
It carries about 120,000 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 284 of the 744 inventoried bridges in Guilford County rated fair (38.2%); 33 (4.4%) 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	Steel stringer or multi-beam girder
Length	about 105 ft
Location	0.5 Mi. N. Jct. I85 Bus.
NBI structure number	000000000810299
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 US421 over NC68	1981	120,000	Fair
I40 & I85 SR3143 over North Alamance Creek	1954	119,000	Fair
I40 I85 over Rock Creek	1954	119,000	Fair
I40 I85 Bus US29 over Branch South Buffalo Crk	1954	118,000	Fair
I40 over SR4121	1976	115,000	Fair
I40 over South Buffalo Creek	1956	115,000	Fair