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Md 260d-mt Harmony over Md 260

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

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

Md 260d-mt Harmony over Md 260 in Calvert 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 2005, making it 20 years old at the 2025 inventory.
It carries about 7,890 vehicles a day (traffic count year 2006).
Its listed owner is the state highway agency.
It is one of 16 of the 34 inventoried bridges in Calvert County rated good (47.1%); 0 (0.0%) 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	Steel stringer or multi-beam girder
Length	about 83 ft
Location	0.14 Mile West of Md 260
NBI structure number	100000040022010
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Md 2 SB over Hunting Creek	1992	46,798	Fair
Md 4 SB over Lyons Creek	1959	46,661	Fair
Md 4 NB over Lyons Creek	1987	46,661	Fair
Md 4 Nbr over Hall Creek	1966	35,171	Fair
Md 4 over Patuxent River & Town CR	1977	28,338	Fair
Md 2 & 4 over Quaker Swamp	1987	27,798	Good