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Interstate 79 over Monongalia Co 45/9

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

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

Interstate 79 over Monongalia Co 45/9 in Monongalia 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 culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1969, making it 56 years old at the 2025 inventory.
It carries about 47,600 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 75 of the 203 inventoried bridges in Monongalia County rated good (36.9%); 39 (19.2%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	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 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
Interstate 79 over Mon. Co. Rt. 73	1970	32,800	Fair