Oldest Bridges in Maryland

The oldest bridge in Maryland dates to 1823. The table below shows the state's most historic bridges, ranked by year built. Many of these structures have survived well beyond their original design life — click any bridge to see its current condition and inspection history.

How this ranking works

This state list uses the NBI year-built field and links each bridge to its current inspection record. Treat age as a history signal, not a condition score.

Bridge	County	Year Built	Condition	Daily Traffic
US 40 Alt over Antietam Creek	Washington	1823	Fair	6,082
Md 68 over Beaver Creek	Washington	1824	Fair	2,592
Roxbury Road over Antietam Creek	Washington	1824	Fair	778
Md 68 over Conococheague Creek	Washington	1829	Fair	4,532
Broadfording Road over Conococheague Creek	Washington	1829	Good	265
Unger Road over Grove Creek	Washington	1830	Fair	194
Keedysville Road over Antietam Creek	Washington	1830	Fair	1,173
Harpers Ferry Road over Antietam Creek	Washington	1832	Fair	720
Coffman Farms RD over Little Antietam Creek	Washington	1832	Good	362
Md 68 over Antietam Creek	Washington	1833	Fair	2,592
East Oak Ridge Dri over Antietam Creek	Washington	1833	Good	12,292
Prospect Street over Antietam Street	Washington	1836	Fair	2,730
Leiters Mill Road over Antietam Creek	Washington	1839	Good	1,470
Garis Shop Road over Antietam Creek	Washington	1839	Good	1,698
Md 733a over Savage River	Garrett	1840	Fair	4
Poffenberger Road over Antietam Creek	Washington	1840	Good	1,698
Poffenberger Road over Antietam Creek	Washington	1841	Good	1,698
Dogstreet Road over Little Antietam Creek	Washington	1850	Fair	1,560
Roddy Road over Owens Creek	Frederick	1856	Good	1,170
Keedysville Road over Little Antietam Creek	Washington	1858	Fair	1,173
Tawes Drive over Big Elk Creek	Cecil	1860	Fair	10
Utica Road over Fishing Creek	Frederick	1860	Fair	298
Macarthur Blvd. over Cabin John Creek	Montgomery	1863	Fair	12,300
Old Forge Road over Antietam Creek	Washington	1863	Good	580
Jericho Road over Little Gunpowder Falls	Baltimore	1865	Fair	548
Old Frederick Road over Owens Creek	Frederick	1869	Fair	843
Keysville Road over Toms Creek	Frederick	1876	Fair	470
Poffenberger Road over Catoctin Creek	Frederick	1878	Poor	390
Carroll Road over Carroll Branch	Baltimore	1879	Fair	2,534
Loch Raven Drive over Towson Run	Baltimore	1879	Fair	896
River Park Road over C&o Canal	Washington	1879	Fair	200
Bennies Hill Road over Catoctin Creek	Frederick	1880	Fair	136
Old Mill Road over Owens Creek	Frederick	1882	Fair	360
Nobles Mill Road over Deer Creek	Harford	1883	Poor	70
Falls Road over Gunpowder Falls	Baltimore	1884	Fair	300
New Bridge RD over Octoraro Creek	Cecil	1884	Fair	1,279
Mccauley Road over Basin Run	Cecil	1884	Fair	526
Fayette Street over Csxt Railroad	Allegany	1885	Poor	109
Bell Manor RD over Conowingo Creek	Cecil	1885	Fair	136
River Road over Casselman River	Garrett	1885	Poor	130
Bottom Road over Little Gunpowder Falls	Baltimore	1886	Fair	223
Windsor Mill Road over Gwynns Falls	Baltimore	1887	Fair	20,504
Hoovers Mill Road over Owens Creek	Frederick	1887	Good	59
Sparks Road over Gunpowder Falls	Baltimore	1888	Poor	2,589
Md 17 over Middle Creek	Frederick	1889	Fair	1,951
Stevens Road over Hunting Creek	Frederick	1890	Fair	135
Simpsons Mill Road over Little Pipe Creek	Frederick	1890	Fair	200
Point Of Rocks Roa over C&o Canal	Frederick	1890	Fair	159
Pearre Road over Sideling Hill Creek	Washington	1890	Fair	66
Crystal Falls Driv over Beaver Creek	Washington	1890	Fair	678
Cuba Road over Western Run	Baltimore	1893	Fair	3,524
Vinegar Hill Road over Little Gunpowder Falls	Baltimore	1894	Fair	552
North Avenue over Jones Falls Falls RD Rr	Baltimore	1895	Fair	20,361
Crow Rock Road over Middle Creek	Frederick	1897	Fair	460
Masemore Road over Gunpowder Falls	Baltimore	1898	Fair	275
Md 831a over Braddock Run	Allegany	1900	Good	599
Md 144 over Flintstone Creek	Allegany	1900	Fair	1,121
US 220 over Warrior Run	Allegany	1900	Fair	15,191
US 220 over Trib To North Br Potomac	Allegany	1900	Fair	7,111
US 220 over Mill Run	Allegany	1900	Fair	7,111
Locust Grove Road over Wills Creek	Allegany	1900	Fair	142
Oaklawn Avenue over Braddock Run	Allegany	1900	Fair	135
Gwynn Oak Avenue over Gwynns Falls	Baltimore	1900	Fair	20,280
Dairy Road over Little Falls	Baltimore	1900	Good	521
Westchester Avenue over No. 9 Trolley Trail	Baltimore	1900	Fair	1,741
US 1 Monroe Stree over Amtrak	Baltimore	1900	Fair	9,999
Remington Avenue over Stoney Run	Baltimore	1900	Poor	4,280
Hillen Road over Chinquapin Run	Baltimore	1900	Fair	11,996
Lombard Street over Norfolk Southern Railroa	Baltimore	1900	Fair	14,403
Hanover Street over Csx Railroad	Baltimore	1900	Fair	27,130
Loch Raven Drive over Minebank Run	Baltimore	1900	Fair	309
Eager Street over Fallsway	Baltimore	1900	Fair	1,695
Argyle Avenue over Amtrak Railroad	Baltimore	1900	Fair	3,598
Harford Road over Csx Railroad	Baltimore	1900	Poor	10,713
Barclay Street over Csx Railroad	Baltimore	1900	Fair	7,434
Huntingdon Avenue over Csx	Baltimore	1900	Fair	10,312
Md 304 over Mason Branch	Caroline	1900	Fair	2,942
Md 852 over Little Pipe Creek	Carroll	1900	Fair	400
Keysville-frederic over Monocacy River	Carroll	1900	Fair	260
Piney Creek Road over Alloway Creek	Carroll	1900	Good	234
Mckinstry Mill RD over Little Pipe Creek	Carroll	1900	Poor	234
Springdale RD over Little Pipe Creek	Carroll	1900	Fair	457
John Hyde Road over Little Pipe Creek	Carroll	1900	Fair	320
Silver Run Valley over Big Silver Run	Carroll	1900	Fair	480
Twin Arch Road over South Br Patapsco River	Carroll	1900	Fair	98
Patapsco Road over East Br Patapsco River	Carroll	1900	Poor	171
Md 222 over Octoraro Creek	Cecil	1900	Fair	3,250
Md 7c over Br Of Northeast Creek	Cecil	1900	Fair	2,360
Blue Ball RD over Little Northeast Creek	Cecil	1900	Fair	4,014
Basin Run Road over Basin Run	Cecil	1900	Fair	165
Md 257 over Mill Run	Charles	1900	Fair	3,990
Md 227 over Pages Swamp	Charles	1900	Fair	5,771
St. Marks Road over Broad Run	Frederick	1900	Good	196
Sumantown Road over Catoctin Creek	Frederick	1900	Fair	124
US 219 over Youghiogheny River	Garrett	1900	Poor	1,660
Plumtree Road over Plumtree Run	Harford	1900	Fair	151
Cherry Hill Road over Deer Creek	Harford	1900	Fair	559
US 1 SB over Little Patuxent River	Howard	1900	Fair	20,330
Md 717 over Western Branch	Prince George's	1900	Fair	11,061
Md 214 over Watts Branch	Prince George's	1900	Fair	23,842
Md 290 over Red Lion Branch	Queen Anne's	1900	Fair	2,182
US 13 over Passerdyke Creek	Somerset	1900	Fair	27,695
Md 404 Alt over Norwich Creek	Talbot	1900	Fair	310
US 40 over Little Conococheague Cre	Washington	1900	Fair	3,912
Md 60 over Marsh Run	Washington	1900	Fair	12,172
Md 66 over Beaver Creek	Washington	1900	Fair	4,961
Md 844 over Beaver Creek	Washington	1900	Fair	599
Dogstreet Road over Dog Creek	Washington	1900	Fair	874
Remington Avenue over Abandoned Railroad	Baltimore	1901	Fair	3,110
Legore Bridge Road over Monocacy River	Frederick	1903	Fair	2,045
Dixon Road over Bennett Creek	Frederick	1904	Good	200
Brownsville Road over Israel Creek	Washington	1904	Fair	325
Hessong Bridge RD over Little Hunting Creek	Frederick	1905	Fair	980
Lenhart Road over Fishing Creek	Frederick	1906	Good	166
Barnes Road over Beaver Creek	Washington	1906	Fair	399
Duvall Bridge Road over Patuxent River	Anne Arundel	1907	Fair	25
Sudbrook Lane over Csx Railroad	Baltimore	1907	Fair	2,972
Piney Grove Road over Csx Railroad	Baltimore	1907	Poor	551
US 40 Edmondson Av over Gwynns Falls Csx	Baltimore	1907	Good	3,900
Md 56 over Little Conococheague Cre	Washington	1907	Fair	681
University Parkway over Stony Run	Baltimore	1908	Fair	6,340
Pearre Road over Sams Creek	Carroll	1908	Fair	23
Bullfrog Road over Monocacy River	Frederick	1908	Fair	324
E. Church Hill RD over Middle Creek	Frederick	1908	Fair	204
Mink Hollow Road over Patuxent River	Howard	1908	Fair	1,209
Unger Road over Grove Creek	Washington	1908	Fair	498
Reichs Ford Road over Bush Creek	Frederick	1909	Good	817
Md 213 over Three Bridges Branch	Queen Anne's	1909	Fair	6,761
US 11 over Potomac River Csx Trans	Washington	1909	Fair	6,761
Masemore Road over Bush Cabin Run	Baltimore	1910	Fair	275
Malvern Avenue over Towson Run	Baltimore	1910	Fair	2,373
Caves Road over North Branch Jones Falls	Baltimore	1910	Fair	3,208
Poplar Grove ST over Csx	Baltimore	1910	Fair	1,219
Russell And Bush S over Spring Gardens	Baltimore	1910	Fair	56,772
Md 315 over Marshyhope Creek	Caroline	1910	Fair	5,080
Mason Branch Road over Mason Branch	Caroline	1910	Good	1,329
Teeter Road over Piney Creek	Carroll	1910	Fair	236
Sixes Bridge Road over Monocacy River	Frederick	1910	Fair	207
Friends Creek Road over Friends Creek	Frederick	1910	Fair	123
Montevideo Road over Dry Seneca Creek	Montgomery	1910	Good	150
Kensington Parkway over Rock Creek	Montgomery	1910	Fair	3,813
Brighton Dam Road over Reddy Branch	Montgomery	1910	Fair	743
Macarthur Boulevar over Capital Crescent Trail	Montgomery	1910	Fair	16,435
Md 320 over Northwest Branch	Prince George's	1910	Fair	21,112
Md 213 over Browns Branch	Queen Anne's	1910	Fair	11,114
Md 213 over Granny Finley Branch	Queen Anne's	1910	Fair	6,761
Poplar Grove Road over Little Antietam Creek	Washington	1910	Fair	233
Harford Road over Herring Run	Baltimore	1911	Good	20,994
Tuckahoe Road over Trib To Tuckahoe Creek	Caroline	1911	Fair	1,027
Md 852h over West Branch Patapsco Riv	Carroll	1911	Fair	999
Baptist Road over Alloway Creek	Carroll	1911	Fair	269
Mummaford Road over Monocacy River	Carroll	1911	Poor	268
Shookstown Road over Carroll Creek	Frederick	1911	Poor	6,750
River Road over Broad Run	Montgomery	1911	Fair	444
Baltimore Road over Rock Creek	Montgomery	1911	Fair	7,482
Md 19a over Southeast Creek	Queen Anne's	1911	Fair	1,162
Md 662c over Potts Mill Creek	Talbot	1911	Fair	1,759
Mohrs Lane over Csx Railroad	Baltimore	1912	Poor	1,600
Roop Road over Piney Creek	Carroll	1912	Fair	317
Md 180 over Little Catoctin Creek	Frederick	1912	Fair	1,300
Md 108 over Cricket Creek	Howard	1912	Fair	12,830
US 113 NB over Pilchard Creek	Worcester	1912	Fair	5,662
Eager Street over Central Booking Parking	Baltimore	1913	Fair	2,382
Double Hill Road over Watts Creek	Caroline	1913	Poor	570
Double Hills Road over Herring Run	Caroline	1913	Fair	516
Lake Fanny Road over Winters Run	Harford	1913	Fair	11
Md 299 over Herring Branch	Kent	1913	Fair	753
Md 303 over Br Of Highfield Creek	Talbot	1913	Fair	192
Union Street over Georges Creek	Allegany	1914	Fair	675
Md 144 over Patapsco River	Baltimore	1914	Fair	7,859
Greenmount Avenue over Csx Railroad	Baltimore	1914	Poor	10,713
Guilford Avenue over Csx	Baltimore	1914	Fair	6,197
Sisson Street over Csx	Baltimore	1914	Poor	6,500
Blacks Mill Road over Big Hunting Creek	Frederick	1914	Fair	450
Grimes Road over Toms Creek	Frederick	1914	Fair	170
Md 662 over Branch Of Wye River	Queen Anne's	1914	Fair	860
High Bridge Road over Townsend/centreville Rr	Queen Anne's	1914	Poor	500
Md 662 over Mill Creek	Talbot	1914	Fair	1,061
US 1 over Patapsco River	Baltimore	1915	Fair	25,532
Walker Road over Little Falls	Baltimore	1915	Poor	548
Md 404 Alt over Tuckahoe Creek	Caroline	1915	Fair	1,551
Md 267 over Red Rum Run	Cecil	1915	Fair	1,680
Wolfsville Road over Beaver Creek	Washington	1915	Fair	1,500
US 40 Scn over Snib Hollow Run	Allegany	1916	Fair	281
Baltimore Street over Wills Creek	Allegany	1916	Good	11,780
Liberty Heights Av over Csx	Baltimore	1916	Fair	32,811
Hanover Street over Middle Branch	Baltimore	1916	Poor	14,220
Mcfarland Road over Bear Creek	Washington	1916	Fair	183
Tollgate Ridge RD over Tonoloway Creek	Washington	1916	Good	828
US 40 Scn over Fifteen Mile Creek	Allegany	1917	Fair	281
Md 591b over Love Run	Cecil	1917	Fair	199
Apples Church Road over Owens Creek	Frederick	1917	Good	350
Jennings Road over South Branch Casselman R	Garrett	1917	Fair	207
Md 24 over Kellogg Branch	Harford	1917	Fair	3,193
Md 24 over North Stirrup Run	Harford	1917	Fair	3,572
Md 115 over North Br Of Rock Creek	Montgomery	1917	Fair	16,981
Starners Dam Road over Monocacy River	Carroll	1918	Fair	36
Woodmont Road over Little Tonoloway Creek	Washington	1918	Fair	507
Boyce Mill Road over Gravelly Branch	Caroline	1919	Fair	2,025
Harney Road over Alloway Creek	Carroll	1919	Fair	1,911