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CR 550 North over Back Creek

Jackson County, Indiana · rated Fair in the 2025 National Bridge Inventory

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

CR 550 North over Back Creek in Jackson County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1989, making it 36 years old at the 2025 inventory.
It carries about 205 vehicles a day (traffic count year 2013).
Its listed owner is the county highway agency.
It is one of 164 of the 321 inventoried bridges in Jackson County rated fair (51.1%); 5 (1.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 33 ft
Location	0.15 W of Oneal Street
NBI structure number	3600181
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-65 over Grassy Creek	1958	38,025	Fair
US 50 over Von Fange Ditch	1986	22,132	Fair
I-65 NB over Conrail RR	1960	20,158	Good
I-65 NB over Able Ditch	1960	20,158	Good
I-65 SB over Conrail RR	1960	19,999	Good
I-65 SB over Able Ditch	1960	19,999	Good