Oldest Bridges in Maryland

The oldest bridge in Maryland is the US 40 Alt over Antietam Creek in Washington County, built in 1823, and it still carries about 6,100 vehicles a day.

Age, drawn to scale

The 10 oldest in Maryland, one timeline

18001850190019502000today

1US 40 Alt over Antietam CreekMD · 1823 · 6.1k/day 2Md 68 over Beaver CreekMD · 1824 · 2.6k/day 3Roxbury Road over Antietam CreekMD · 1824 · 778/day 4Md 68 over Conococheague CreekMD · 1829 · 4.5k/day 5Broadfording Road over Conococheague CreekMD · 1829 · 265/day 6Keedysville Road over Antietam CreekMD · 1830 · 1.2k/day 7Harpers Ferry Road over Antietam CreekMD · 1832 · 720/day 8Coffman Farms RD over Little Antietam CreekMD · 1832 · 362/day 9Md 68 over Antietam CreekMD · 1833 · 2.6k/day 10East Oak Ridge Dri over Antietam CreekMD · 1833 · 12k/day For scale: the Brooklyn BridgeNY · 1883 · 111k/day

Each bar runs from the year the bridge was built to today, colored by its overall condition (green good, orange fair, red poor). A white notch marks a recorded reconstruction; many of these bridges have been rebuilt or widened more than once, and the inventory keeps only the most recent date. Daily traffic is the latest count.

When the bridges were built

every bridge in Maryland by the decade it was built

Before 1900pre10%

1900s'008%

1910s'1014%

175

1920s'2013%

276

1930s'3011%

147

1940s'408%

537

1950s'506%

803

1960s'607%

726

1970s'705%

663

1980s'803%

647

1990s'901%

485

2000s'000%

290

2010s'100%

2020s'200%

bridges builtshare rated poor

goodfairpoor

Bars are stacked by today's condition rating. 5,015 bridges are counted. Build years before 1900 are counted only when credible. 53 of the 74 bridges in the 1900s bar are recorded as built in exactly 1900, which is likely an estimate rather than a date.

The Oldest Bridges in Maryland

Bridge	County	Built	Rebuilt	Material	Daily Traffic	Condition
US 40 Alt over Antietam Creek	Washington	1823	1930	Masonry	6,082	Fair
Md 68 over Beaver Creek	Washington	1824		Masonry	2,592	Fair
Roxbury Road over Antietam Creek	Washington	1824	2002	Masonry	778	Fair
Md 68 over Conococheague Creek	Washington	1829	1987	Masonry	4,532	Fair
Broadfording Road over Conococheague Creek	Washington	1829	2005	Masonry	265	Good
Keedysville Road over Antietam Creek	Washington	1830	1980	Masonry	1,173	Fair
Harpers Ferry Road over Antietam Creek	Washington	1832	2010	Masonry	720	Fair
Coffman Farms RD over Little Antietam Creek	Washington	1832	2015	Masonry	362	Good
Md 68 over Antietam Creek	Washington	1833	1995	Masonry	2,592	Fair
East Oak Ridge Dri over Antietam Creek	Washington	1833	2008	Masonry	12,292	Good
Brooklyn Bridge over I278 Fdr Drive Fdr Dri		1883	2016		110,939	Poor
Garis Shop Road over Antietam Creek	Washington	1839	2017	Masonry	1,698	Good
Md 733a over Savage River	Garrett	1840		Masonry	4	Fair
Poffenberger Road over Antietam Creek	Washington	1840	2019	Masonry	1,698	Good
Poffenberger Road over Antietam Creek	Washington	1841	2019	Masonry	1,698	Good
Dogstreet Road over Little Antietam Creek	Washington	1850	1996	Masonry	1,560	Fair
Roddy Road over Owens Creek	Frederick	1856	1995	Wood or Timber	1,170	Good
Keedysville Road over Little Antietam Creek	Washington	1858	2003	Masonry	1,173	Fair
Utica Road over Fishing Creek	Frederick	1860	1997	Wood or Timber	298	Fair
Tawes Drive over Big Elk Creek	Cecil	1860	1992	Wood or Timber	10	Fair
Old Forge Road over Antietam Creek	Washington	1863	2015	Masonry	580	Good
Macarthur Blvd. over Cabin John Creek	Montgomery	1863	2001	Masonry	12,300	Fair
Old Frederick Road over Owens Creek	Frederick	1869	1994	Wood or Timber	843	Fair
Keysville Road over Toms Creek	Frederick	1876	1997	Aluminum/Wrought Iron/Cast Iron	470	Fair
Poffenberger Road over Catoctin Creek	Frederick	1878	2006	Aluminum/Wrought Iron/Cast Iron	390	Poor
Carroll Road over Carroll Branch	Baltimore	1879	2006	Aluminum/Wrought Iron/Cast Iron	2,534	Fair
River Park Road over C&o Canal	Washington	1879	2006	Steel	200	Fair
Bennies Hill Road over Catoctin Creek	Frederick	1880	2009	Steel	136	Fair
Old Mill Road over Owens Creek	Frederick	1882	2008	Aluminum/Wrought Iron/Cast Iron	360	Fair
Nobles Mill Road over Deer Creek	Harford	1883	1998	Steel	70	Poor
Fayette Street over Csxt Railroad	Allegany	1885	2018	Steel	109	Poor
Bottom Road over Little Gunpowder Falls	Baltimore	1886	2001	Aluminum/Wrought Iron/Cast Iron	223	Fair
Hoovers Mill Road over Owens Creek	Frederick	1887	2022	Steel	59	Good
Sparks Road over Gunpowder Falls	Baltimore	1888	1990	Steel	2,589	Poor
Stevens Road over Hunting Creek	Frederick	1890	2024	Steel	135	Fair
Simpsons Mill Road over Little Pipe Creek	Frederick	1890	1998	Steel	200	Fair
Point Of Rocks Roa over C&o Canal	Frederick	1890	2004	Steel	159	Fair
Cuba Road over Western Run	Baltimore	1893	2011	Aluminum/Wrought Iron/Cast Iron	3,524	Fair
Vinegar Hill Road over Little Gunpowder Falls	Baltimore	1894	2000	Aluminum/Wrought Iron/Cast Iron	552	Fair
Masemore Road over Gunpowder Falls	Baltimore	1898	2000	Aluminum/Wrought Iron/Cast Iron	275	Fair
Md 831a over Braddock Run	Allegany	1900	1929	Masonry	599	Good
Md 144 over Flintstone Creek	Allegany	1900	1925	Masonry	1,121	Fair
US 220 over Warrior Run	Allegany	1900	2009	Concrete	15,191	Fair
US 220 over Trib To North Br Potomac	Allegany	1900	1955	Concrete	7,111	Fair
US 220 over Mill Run	Allegany	1900	1950	Concrete	7,111	Fair
Gwynn Oak Avenue over Gwynns Falls	Baltimore	1900	1937	Concrete	20,280	Fair
Md 304 over Mason Branch	Caroline	1900	1962	Concrete	2,942	Fair
Md 852 over Little Pipe Creek	Carroll	1900		Concrete	400	Fair
Md 222 over Octoraro Creek	Cecil	1900	1930	Steel	3,250	Fair
Md 7c over Br Of Northeast Creek	Cecil	1900		Steel	2,360	Fair
Md 257 over Mill Run	Charles	1900	1949	Concrete	3,990	Fair
Md 227 over Pages Swamp	Charles	1900		Concrete	5,771	Fair
US 219 over Youghiogheny River	Garrett	1900	1927	Concrete	1,660	Poor
US 1 SB over Little Patuxent River	Howard	1900	1929	Concrete	20,330	Fair
Md 717 over Western Branch	Prince George's	1900	1966	Steel	11,061	Fair
Md 214 over Watts Branch	Prince George's	1900	1969	Concrete	23,842	Fair
Md 290 over Red Lion Branch	Queen Anne's	1900	1956	Concrete	2,182	Fair
US 13 over Passerdyke Creek	Somerset	1900	1955	Concrete	27,695	Fair
Md 404 Alt over Norwich Creek	Talbot	1900		Concrete	310	Fair
US 40 over Little Conococheague Cre	Washington	1900	1958	Concrete	3,912	Fair
Md 60 over Marsh Run	Washington	1900	1950	Concrete	12,172	Fair
Md 66 over Beaver Creek	Washington	1900		Concrete	4,961	Fair
Md 844 over Beaver Creek	Washington	1900		Concrete	599	Fair
Locust Grove Road over Wills Creek	Allegany	1900	1996	Steel	142	Fair
Oaklawn Avenue over Braddock Run	Allegany	1900	1985	Steel	135	Fair
Dairy Road over Little Falls	Baltimore	1900	2019	Steel	521	Good
Westchester Avenue over No. 9 Trolley Trail	Baltimore	1900	1988	Steel	1,741	Fair
US 1 Monroe Stree over Amtrak	Baltimore	1900	1986	Steel	9,999	Fair
Remington Avenue over Stoney Run	Baltimore	1900	1930	Masonry	4,280	Poor
Hillen Road over Chinquapin Run	Baltimore	1900	1950	Concrete	11,996	Fair
Lombard Street over Norfolk Southern Railroa	Baltimore	1900	1988	Steel	14,403	Fair
Hanover Street over Csx Railroad	Baltimore	1900	1975	Steel	27,130	Fair
Loch Raven Drive over Minebank Run	Baltimore	1900	2007	Steel	309	Fair
Eager Street over Fallsway	Baltimore	1900	1990	Masonry	1,695	Fair
Argyle Avenue over Amtrak Railroad	Baltimore	1900	1948	Steel	3,598	Fair
Harford Road over Csx Railroad	Baltimore	1900	1914	Masonry	10,713	Poor
Barclay Street over Csx Railroad	Baltimore	1900	1924	Masonry	7,434	Fair
Huntingdon Avenue over Csx	Baltimore	1900	1914	Masonry	10,312	Fair
Blue Ball RD over Little Northeast Creek	Cecil	1900	2002	Prestressed Concrete	4,014	Fair
Basin Run Road over Basin Run	Cecil	1900	1985	Prestressed Concrete	165	Fair
Keysville-frederic over Monocacy River	Carroll	1900	1978	Steel Continuous	260	Fair
Piney Creek Road over Alloway Creek	Carroll	1900	1988	Steel	234	Good
Mckinstry Mill RD over Little Pipe Creek	Carroll	1900	1972	Steel	234	Poor
Springdale RD over Little Pipe Creek	Carroll	1900	1982	Steel	457	Fair
John Hyde Road over Little Pipe Creek	Carroll	1900	1974	Prestressed Concrete	320	Fair
Silver Run Valley over Big Silver Run	Carroll	1900		Steel	480	Fair
Twin Arch Road over South Br Patapsco River	Carroll	1900	2007	Steel	98	Fair
Patapsco Road over East Br Patapsco River	Carroll	1900	1981	Steel	171	Poor
St. Marks Road over Broad Run	Frederick	1900	2009	Steel	196	Good
Sumantown Road over Catoctin Creek	Frederick	1900	1999	Steel	124	Fair
Plumtree Road over Plumtree Run	Harford	1900	2000	Wood or Timber	151	Fair
Cherry Hill Road over Deer Creek	Harford	1900	1999	Steel	559	Fair
Dogstreet Road over Dog Creek	Washington	1900	1986	Steel	874	Fair
Remington Avenue over Abandoned Railroad	Baltimore	1901	1983	Prestressed Concrete	3,110	Fair
Legore Bridge Road over Monocacy River	Frederick	1903	2009	Masonry	2,045	Fair
Dixon Road over Bennett Creek	Frederick	1904	1995	Steel	200	Good
Brownsville Road over Israel Creek	Washington	1904	1982	Steel	325	Fair
Hessong Bridge RD over Little Hunting Creek	Frederick	1905		Steel	980	Fair
Lenhart Road over Fishing Creek	Frederick	1906		Steel	166	Good
Barnes Road over Beaver Creek	Washington	1906	2010	Concrete	399	Fair

Oldest bridges in the United States · Longest bridges in Maryland