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Old Mill Road over Owens Creek

Frederick County, Maryland · rated Fair in the 2025 National Bridge Inventory

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

Old Mill Road over Owens Creek in Frederick County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1882 and reconstructed in 2008, making it 143 years old at the 2025 inventory.
It carries about 360 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 275 of the 485 inventoried bridges in Frederick County rated fair (56.7%); 14 (2.9%) 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


Structure	Aluminum or iron through truss
Length	about 70 ft
Location	0.87 Miles South of Md 77
NBI structure number	200000F-0405010
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Is 270 over MD 85 (Buckeystown Pike)	2020	111,550	Good
US 15 & Ramp 8 over Carroll Creek	1958	95,190	Fair
US 15 Nbr over US 40/W. Patrick Street	1958	95,190	Fair
US 15 Sbr over US 40/W. Patrick Street	1958	95,190	Fair
Is 70 Ebr over Md 180	1968	94,760	Fair
Is 70 Wbr over Md 180	1968	94,760	Fair