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Every bridge in St. Mary's County, Maryland

Name: Every bridge in St. Mary's County, Maryland
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

50 inventoried bridges, busiest first

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

St. Mary's County, Maryland, has 50 bridges in the 2025 National Bridge Inventory: 13 rated good, 35 fair, and 2 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

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 Branch of Mcintosh Run	2017	22,220	Good
Md 5 over Mcintosh Run	1935	22,220	Fair
Md 5 over Town Run	1990	21,360	Fair
Md 4 over St Marys River	1974	18,051	Fair
Md 237 over Jarboesville Run	2009	17,352	Fair
Md 5 over Glebe Run	1955	12,500	Fair
Md 5 over Moll Dyers Run	1937	12,500	Fair
Md 5 over Eastern Branch	2016	10,000	Fair
Md 234 over Nelson Run	1950	9,701	Fair
Md 234 over St Clements Creek	1950	9,701	Good
Pegg Road over Branch Jarboesville Run	1990	9,574	Fair
Md 245 over Brooks Run	1950	8,324	Fair
Md 234 over Chaptico Creek	1959	8,121	Fair
Md 5 over Hilton Run	1936	8,010	Poor
Fenwick Street over Town Run	1955	7,918	Fair
Md 5 over Fisherman Creek	1936	7,244	Fair
Md 5 over St Clements Creek	1929	6,450	Fair
Md 234 over Budds Creek	1960	6,221	Good
Wildewood Parkway over Unnamed Stream	1995	5,900	Fair
Md 242 over Dynard Run	1960	5,491	Good
Md 242 over Tomakokin Creek	1936	5,491	Fair
Pegg Road over Branch Jarboesville Run	1995	4,891	Fair
Md 5 over Church Creek	1936	4,400	Fair
Md 471 over St Marys River	1932	4,242	Fair
Md 471 over St. Marys River	1990	4,242	Good
Md 6 over Persimmon Creek	2021	4,200	Good
Mechanicsville Rd over Chaptico Creek	2011	2,876	Good
Md 244 over Poplar Hill Creek	1938	2,517	Fair
Mcintosh Road over Mcintosh Run	1984	2,500	Good
Md 242 over Br of St Clements Creek	1951	2,431	Fair
Md 242 over Locust Run	1929	2,371	Fair
Md 242 over St Clements Creek	2000	2,371	Good
Md 244 over Moll Dyers Run	1925	2,190	Good
Md 6 over Locks Swamp Creek	1930	1,951	Fair
Md 238 over Burroughs Run	1929	1,791	Fair
Md 238 over Nelsons Run	1929	1,791	Fair
Md 249 over St Georges Creek	1957	1,530	Fair
Md 470 over Tomakokin Creek	1997	1,453	Good
Cedar Point Rd over Goose Creek	1952	1,440	Fair
Cedar Point Rd over Harpers Creek	1952	1,440	Fair
Hurry Rd over Nelsons Run	2008	1,427	Fair
Wildewood Dr. over Unnamed Tributary	2010	1,024	Fair
Ben Oaks Drive over Persimmon Creek	2009	978	Good
Doctor Johnson Roa over St. Clements Creek	1975	880	Good
Greens Crossing Co over Craney Creek	2009	603	Fair
Stoney Run Drive over Warehouse Run	1995	478	Fair
Delabrooke Road over Horse Landing Creek	1971	200	Fair
Cornfield Harbor D over Point Lookout Creek	1970	150	Poor

Source: FHWA National Bridge Inventory, 2025.

St. Mary's County bridge conditions · Maryland bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.