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I40E I85N;RAMP W over US29N US70E US220N

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

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

I40E I85N;RAMP W over US29N US70E US220N in Guilford County, North Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2016, making it 9 years old at the 2025 inventory.
It carries about 1,400 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 427 of the 744 inventoried bridges in Guilford County rated good (57.4%); 33 (4.4%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 106 ft
Location	0.2 Mi. N. Jct. US421
NBI structure number	000000000810291
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I40 85 US29 70 220 over South Buffalo Creek	1955	120,000	Fair
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