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SR 46 over Gnaw Bone Creek

Brown County, Indiana · rated Good in the 2025 National Bridge Inventory

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

SR 46 over Gnaw Bone Creek in Brown County, Indiana, 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 1960 and reconstructed in 1998, making it 65 years old at the 2025 inventory.
It carries about 8,485 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 26 of the 114 inventoried bridges in Brown County rated good (22.8%); 17 (14.9%) 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

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

Bridge	Built	Vehicles/day	Condition
SR 46 over Greasy Creek	1964	14,040	Fair
SR 46 over North Fork Salt Creek	1964	11,699	Fair
SR 46 over North Fork Salt Creek	1964	10,596	Fair
SR 46 over North Fork Salt Creek	1964	10,520	Fair
SR 46 over N Fork Salt Creek	1928	9,341	Fair
SR 46 over North Fork Salt Creek	1997	7,397	Good