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Co 20/9 over Bluestone River

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

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

Co 20/9 over Bluestone River in Mercer County, West Virginia, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1940 and reconstructed in 1979, making it 85 years old at the 2025 inventory.
It carries about 90 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 44 of the 175 inventoried bridges in Mercer County rated poor (25.1%); 44 (25.1%) 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	Steel stringer or multi-beam girder
Length	about 91 ft
Location	0.02 Mi E of CR 120
NBI structure number	00000000028A082
Condition class	Poor

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