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WB Ir 275 over Norfolk Southern RR; US5

Hamilton County, Ohio · rated Poor in the 2025 National Bridge Inventory

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

WB Ir 275 over Norfolk Southern RR; US5 in Hamilton County, Ohio, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1976, making it 49 years old at the 2025 inventory.
It carries about 15,977 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 22 of the 782 inventoried bridges in Hamilton County rated poor (2.8%); 22 (2.8%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 375 ft
Location	over US 50
NBI structure number	3115909
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Ir 71 over Ohio River Brent Spence	1963	163,386	Fair
Ir 75 over Mill Creek	1947	156,804	Fair
Service Road over Service Rd Ov MILL CR	1986	156,804	Good
Rmp Redbank-i71s over Ir 71	1969	149,533	Fair
Ir 75 over Laidlaw Avenue	1959	148,474	Fair
Ir 75 over Towne Avenue	1958	146,755	Fair