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County Road 138-b over Norfolk Southern Railway

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

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

County Road 138-b over Norfolk Southern Railway in Marion 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 2006, making it 19 years old at the 2025 inventory.
It carries about 10,855 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 139 of the 230 inventoried bridges in Marion County rated good (60.4%); 9 (3.9%) 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	Continuous steel stringer or multi-beam girder
Length	about 182 ft
Location	0.25 Mi. E. of S.R. 4
NBI structure number	5137225
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
SR 95 over Graves Creek	1965	23,882	Fair
SR 309 over Grave Creek	1998	13,059	Good
US 23 over over Sr98-0011	1965	11,517	Good
US 23 over over Sr98-0013	1965	11,517	Good
US 23 over Cauquaw CR	1965	11,517	Good
US 23 over Cauquaw CR	1965	11,517	Good