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I-65 SB over Amity Ditch

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

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

I-65 SB over Amity Ditch in Johnson 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 1970 and reconstructed in 2016, making it 55 years old at the 2025 inventory.
It carries about 27,789 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 92 of the 230 inventoried bridges in Johnson County rated good (40.0%); 23 (10.0%) 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
I-65 over Drainage Ditch	1971	92,074	Good
I-65 over Drainage Ditch	1969	55,807	Fair
SR 37 Sbl over Bluff Creek	2023	47,800	Good
SR 37 Nbsb over North Bluff Creek	2022	47,800	Good
I-65 NB over Hurricane Creek	2017	38,171	Good
I-65 NB over Greenwood RD/950 N	2016	37,414	Good