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Port Union Road over Tributary of Mill Creek

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

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

Port Union Road over Tributary of Mill Creek in Butler 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 2002, making it 23 years old at the 2025 inventory.
It carries about 324 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 237 of the 377 inventoried bridges in Butler County rated good (62.9%); 15 (4.0%) 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


Structure	Prestressed concrete multiple box beam
Length	about 50 ft
Location	0.17 Mi. West of S.R. 747
NBI structure number	0936200
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ir 75 over Mason Road	2010	113,089	Good
Ir-75 South over C131(LESOURDESVL W C Rd)	1960	68,525	Good
Ir-75 North over C131(LESOURDESVL W C Rd)	1960	68,525	Good
Ir 75 over Norfolk Southern RR	1960	65,877	Good
Ir 75 over Norfolk Southern RR	1960	65,877	Fair
Ir 75 over Norfolk Southern RR	1960	59,060	Good