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CR377 Johnstown Rd over Ir-270 & Ir-670 Ramp E

Franklin County, Ohio · rated Fair in the 2025 National Bridge Inventory

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

CR377 Johnstown Rd over Ir-270 & Ir-670 Ramp E in Franklin County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 8,280 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 238 of the 920 inventoried bridges in Franklin County rated fair (25.9%); 27 (2.9%) 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	Continuous steel stringer or multi-beam girder
Length	about 373 ft
Location	4.02 Mi N of SR16
NBI structure number	2511746
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Rmp (161wb-270sb) over over Ramp (161wb-270sb)	2007	181,641	Good
I-270 Eb/wb over Olentangy River	1969	180,261	Good
I-270 over over NS & Csxt Railroads	1966	172,736	Good
I-270 over over Worthington-galena	1966	172,736	Good
I270 over Ramp 270WB to 71SB	1966	163,950	Fair
IR71 over over CSX & NS RR	1993	160,570	Good