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River Road over Big Annemessex River

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

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

River Road over Big Annemessex River in Somerset 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 1988, making it 37 years old at the 2025 inventory.
It carries about 484 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 9 of the 46 inventoried bridges in Somerset County rated good (19.6%); 3 (6.5%) 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

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

Bridge	Built	Vehicles/day	Condition
US 13 over Passerdyke Creek	1900	27,695	Fair
US 13 NB over Manokin River	1958	22,370	Fair
US 13 SB over Manokin River	1964	22,370	Fair
US 13 NB over Kings Creek	1962	20,870	Fair
US 13 NB over Jones Creek	1934	20,870	Fair
US 13 NB over Norfolk Southern RR	1957	16,470	Fair