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Md 85 over Is 70

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

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

Md 85 over Is 70 in Frederick County, Maryland, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2009, making it 16 years old at the 2025 inventory.
It carries about 35,962 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 196 of the 485 inventoried bridges in Frederick County rated good (40.4%); 14 (2.9%) 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


Structure	Continuous steel girder and floorbeam
Length	about 171 ft
Location	at Is 70
NBI structure number	100000100195010
Condition class	Good

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