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I85N.BUS US29 70 over Southern Railway

Davidson County, North Carolina · rated Poor in the 2025 National Bridge Inventory

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

I85N.BUS US29 70 over Southern Railway in Davidson County, North Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1950, making it 75 years old at the 2025 inventory.
It carries about 11,000 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 15 of the 342 inventoried bridges in Davidson County rated poor (4.4%); 15 (4.4%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 184 ft
Location	0.5 Mi. N. Jct. SR1770
NBI structure number	000000000570164
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I85 US29 US52 US70 over South Potts Creek	2013	84,000	Good
I-85N over SR2025	1981	53,500	Good
I85 I85 Ramp over Hambys Creek	1981	53,500	Fair
I85 over Pounder Fork Creek	1978	50,500	Fair
I85 & SR2227 over Ponder Creek	1978	50,500	Fair
I85BUS US29 52 70 over North Potts Creek	1978	45,500	Fair