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I-70 over Big Walnut Creek

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

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

I-70 over Big Walnut Creek in Franklin 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 8 (very good condition) on the 0-9 scale.
It was built in 1967 and reconstructed in 2003, making it 58 years old at the 2025 inventory.
It carries about 46,392 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 655 of the 920 inventoried bridges in Franklin County rated good (71.2%); 27 (2.9%) 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 stringer or multi-beam girder
Length	about 231 ft
Location	0.75 Mi E of SR317
NBI structure number	2505584
Condition class	Good

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