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Co 15 over Bluestone River

Mercer County, West Virginia · rated Good in the 2025 National Bridge Inventory

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

Co 15 over Bluestone River in Mercer County, West Virginia, 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 2009, making it 16 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 4 of the 175 inventoried bridges in Mercer County rated good (2.3%); 44 (25.1%) 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	Steel stringer or multi-beam girder
Length	about 121 ft
Location	0.14 Mi East of Co 15/4
NBI structure number	00000000028A320
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-77 NB over Brush Creek	1979	40,127	Fair
I-77 SB over Routes 19 and 21	1977	30,659	Fair
I-77 NB over Routes 19 and 21	1977	29,826	Fair
I-77 S over Bluestone Rvr & Co. Rt 3	1954	28,562	Fair
I-77 NB over Mercer Co. Route 7	1977	28,500	Fair
I-77 NB over Mercer County Route 3	1977	28,453	Fair