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Nfa A839 over Harpers Creek

Sullivan County, Tennessee · rated Good in the 2025 National Bridge Inventory

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

Nfa A839 over Harpers Creek in Sullivan County, Tennessee, 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 1988, making it 37 years old at the 2025 inventory.
It carries about 120 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 164 of the 367 inventoried bridges in Sullivan County rated good (44.7%); 10 (2.7%) 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	Steel stringer or multi-beam girder
Length	about 25 ft
Location	Wyatt Hollow Rd-n of 421
NBI structure number	820A8390001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I81 over Nfa B352	1968	53,763	Good
I81 over Nfa B352	1968	53,763	Fair
I26 Rt Ln over Nfa 2640	1969	49,932	Fair
I26 Lt Ln over Nfa 2640	1969	49,932	Fair
I26 Rt Ln over Rock Springs Rd.	1968	41,117	Good
I181 Rt Ln over Rock Springs Rd.	1968	41,117	Good