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Md 234 over Chaptico Creek

St. Mary's County, Maryland · rated Fair in the 2025 National Bridge Inventory

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

Md 234 over Chaptico Creek in St. Mary's 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 5 (fair condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 8,121 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
It is one of 35 of the 50 inventoried bridges in St. Mary's County rated fair (70.0%); 2 (4.0%) 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

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

Bridge	Built	Vehicles/day	Condition
Md 4 over Kingston Creek	1980	26,801	Fair
Md 5 over St Marys River	1955	22,642	Fair
Md 5 over Mcintosh Run	1935	22,220	Fair
Md 5 over Branch of Mcintosh Run	2017	22,220	Good
Md 5 over Town Run	1990	21,360	Fair
Md 4 over St Marys River	1974	18,051	Fair