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Md 90 over St Martin River

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

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

Md 90 over St Martin River in Worcester County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1970 and reconstructed in 2004, making it 55 years old at the 2025 inventory.
It carries about 31,551 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 56 of the 82 inventoried bridges in Worcester County rated fair (68.3%); 2 (2.4%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 4,129 ft
Location	2.8 Miles East of Md 589
NBI structure number	100000230020010
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 50 over Sinepuxent Bay	1942	34,001	Fair
Md 90 over Assawoman Bay	1971	30,510	Fair
US 50 EB over Herring Creek	1942	21,431	Fair
US 50 WB over Herring Creek	1942	21,431	Fair
Md 90 over Ocean Pkwy & Golf Path	1971	18,062	Fair
Md 90 over Md 589	1973	18,062	Fair