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Mon Co Rt 857 over Darnell Run

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

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

Mon Co Rt 857 over Darnell Run in Monongalia 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 superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1936, making it 89 years old at the 2025 inventory.
It carries about 1,800 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 89 of the 203 inventoried bridges in Monongalia County rated fair (43.8%); 39 (19.2%) 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
Superstructure	6	Satisfactory condition
Substructure	7	Good condition

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

Bridge	Built	Vehicles/day	Condition
Mon Co Rt 19/25 over Scotts Run	1930	600,500	Poor
Interstate 79 over Monongalia Co 45/9	1969	47,600	Good
Interstate 68 over Booths Creek	1970	39,800	Good
Interstate 79 over Monongahela River	1971	38,200	Fair
I-79 & Mon Co 46/3 over Mine Track Bed	1969	36,000	Good
Interstate 68 over Cobun Creek	1971	33,800	Fair