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Keystone Furnace over Trib to Little Salt CR

Jackson County, Ohio · rated Good in the 2025 National Bridge Inventory

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

Keystone Furnace over Trib to Little Salt CR in Jackson County, Ohio, 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 1965 and reconstructed in 1995, making it 60 years old at the 2025 inventory.
It carries about 683 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 131 of the 254 inventoried bridges in Jackson County rated good (51.6%); 24 (9.4%) 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	Steel stringer or multi-beam girder
Length	about 27 ft
Location	200 Ft W of T257
NBI structure number	4030001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Usr 35 over SR 788	1988	19,354	Good
Usr 35 over SR 788	1988	19,354	Good
US 35 over Sugar Run	1988	19,354	Good
US 35 over Sugar Run	1988	19,354	Good
US 35 over CR 10 E. Broadway Stree	1988	19,354	Good
US 35 over Sand Run	1968	17,044	Fair