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Wv Route 112 over Twelvemile Creek

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

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

Wv Route 112 over Twelvemile Creek in Mercer County, West Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
It was built in 1968, making it 57 years old at the 2025 inventory.
It carries about 650 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 127 of the 175 inventoried bridges in Mercer County rated fair (72.6%); 44 (25.1%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	5	Fair condition


Structure	Continuous concrete culvert
Length	about 26 ft
Location	0.13 Mi W of CR 38/5
NBI structure number	00000000028A166
Condition class	Fair

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