Slab bridges in Maryland
A solid, flat concrete slab that acts as both the supporting structure and the roadway surface. Common for short crossings. Maryland has 531 of them, 9.7% of its bridges. Nationally this type accounts for 13.2% of all bridges.Compare states for this type.
- Slab bridges
- 531
- Poor condition
- 4%
- 20 bridges
- Average age
- 49.4 yrs
- Combined length
- 8 mi
Busiest slab bridges in Maryland
Top 200 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| Is 95 NB over Md 103 No. 100000130050011 | Howard County | 0.50 Mile South of Md 100 | 1968 | Slab | 130 ft | 193,331 | Fair |
| Is 95 SB over Md 103 No. 100000130050012 | Howard County | 0.50 Mile South of Md 100 | 1968 | Slab | 130 ft | 193,331 | Fair |
| Is 95 NB over CSX Transportation No. 100000130064011 | Howard County | 0.75 M N of Guilford Road | 1970 | Slab | 128 ft | 187,920 | Fair |
| Is 95 SB over CSX Transportation No. 100000130064012 | Howard County | 0.75 M N of Guilford Road | 1970 | Slab | 128 ft | 187,920 | Fair |
| Is 95 NB over Stansfield RD No. 100000130077011 | Howard County | 0.50 MI N of Pg CO | 1970 | Slab | 122 ft | 186,040 | Fair |
| Is 95 SB over Stansfield RD No. 100000130077012 | Howard County | 0.50 MI N of Pg CO | 1970 | Slab | 120 ft | 186,040 | Fair |
| Is 95 Sbr over Is 95 Ramp I No. 100000030198010 | Baltimore County | 1.07 Mile North of US 1 | 1969 | Slab | 151 ft | 182,461 | Fair |
| Is 95 Sbr over Is 695 Ramp C No. 100000030200010 | Baltimore County | 0.68 Mile North of US 1 | 1969 | Slab | 142 ft | 176,796 | Fair |
| I-83 over Jones Falls (mi. 7.1 to No. 200000BC3115010 | Baltimore city | 0.6 MI S Cold Spring LN | 1959 | Slab | 1,199 ft | 105,600 | Poor |
| I-83 over Jones Falls & Union Ave No. 200000BC3114010 | Baltimore city | I-83 over Jf & Union Ave | 1959 | Slab | 1,845 ft | 95,051 | Fair |
| Md 100 EB over Md 100 Ramp a No. 100000130058013 | Howard County | 0.92 Mile West of US 1 | 1970 | Slab | 143 ft | 84,712 | Fair |
| Md 100 WB over Md 100 Ramp a No. 100000130058014 | Howard County | 0.92 Mile West of US 1 | 1970 | Slab | 143 ft | 84,712 | Fair |
| Md 100 over Executive Park Drive No. 100000130147010 | Howard County | 0.91 Mile West of Md 104 | 1998 | Slab | 55 ft | 79,752 | Good |
| Is 70 WB over Crystal Falls Drive No. 100000210135014 | Washington County | 1.98 Miles West of Md 66 | 1968 | Slab | 134 ft | 58,600 | Fair |
| US 29 over Sligo Creek No. 100000150010010 | Montgomery County | 0.14 M S of Franklin Ave | 1936 | Slab | 23 ft | 55,302 | Fair |
| US 40 over Stemmers Run No. 100000030039010 | Baltimore County | 0.39 Miles East of I-695 | 1935 | Slab | 41 ft | 54,850 | Fair |
| Md 175 WB & Rmp B over Little Patuxent River No. 100000130079010 | Howard County | 0.27 Mile North of US 29 | 1970 | Slab | 148 ft | 47,121 | Fair |
| Md 175 EB over Little Patuxent River No. 100000130087010 | Howard County | 0.27 Mile North of US 29 | 1974 | Slab | 140 ft | 47,121 | Fair |
| Md 4 EB over Race Track RD No. 100000160108013 | Prince George's County | 0.37 Mile South of Md 717 | 1960 | Slab | 79 ft | 46,652 | Fair |
| Md 4 WB over Race Track RD No. 100000160108014 | Prince George's County | 0.37 Mile South of Md 717 | 1960 | Slab | 79 ft | 46,652 | Fair |
| Md 97 (georgia Av) over Randolph Road No. 100000150198010 | Montgomery County | 1.4 MI E of Md 185 | 2018 | Slab | 66 ft | 46,114 | Good |
| US 15 Sbr over Fishing Creek No. 100000100111010 | Frederick County | 0.07 MI N of Powell RD | 1961 | Slab | 65 ft | 43,080 | Fair |
| US 15 Nbr over Fishing Creek No. 100000100158010 | Frederick County | 0.07 MI N of Powell RD | 1972 | Slab | 66 ft | 43,080 | Fair |
| Is 195 Nbr over Francis Avenue No. 100000030266011 | Baltimore County | 0.35 Mile South of Is 95 | 1969 | Slab | 137 ft | 41,831 | Fair |
| Is 195 Sbr over Francis Avenue No. 100000030266012 | Baltimore County | 0.35 Mile South of Is 95 | 1969 | Slab | 137 ft | 41,831 | Fair |
| Clara Barton Parkw over Clara Barton Parkway (sb No. 3300044P0000000 | Montgomery County | 0.1 Miles West of Macarth | 1959 | Slab | 1,409 ft | 40,057 | Poor |
| US 13 NB over Leonard Mill Pond No. 100000220002011 | Wicomico County | 0.4 Mile South of Md 675B | 2004 | Slab | 79 ft | 38,793 | Good |
| US 40 over Patapsco Forest Road No. 100000130034010 | Howard County | 0.5 MI W of Baltimore CO | 1936 | Slab | 24 ft | 37,530 | Fair |
| Md 122 over Branch of Dead Run No. 100000030343020 | Baltimore County | 0.55 Mile East of Is 695 | 1961 | Slab | 55 ft | 34,910 | Fair |
| Md 140 over Gwynns Falls No. 100000030084010 | Baltimore County | 0.20 MI N of Md 940 | 1973 | Slab | 73 ft | 33,480 | Fair |
| US 1 over Ammendale Branch No. 100000160263010 | Prince George's County | 154 S of Ammendale Road | 2016 | Slab | 39 ft | 32,400 | Fair |
| Md 2 over Sawmill Creek No. 100000020006010 | Anne Arundel County | 0.09 MI N of Md 270 | 1937 | Slab | 37 ft | 31,511 | Good |
| Md 32 Northbound over Terrapin Branch No. 100000130021011 | Howard County | 0.82 Mi. South of Md 144 | 2020 | Slab | 60 ft | 29,475 | Good |
| Md 32 Southbound over Terrapin Branch No. 100000130021012 | Howard County | 0.82 Mi. South of Md 144 | 2020 | Slab | 60 ft | 29,475 | Good |
| Md 32 Northbound over Middle Patuxent River No. 100000130022011 | Howard County | 1.18 Mile South of Md 144 | 2020 | Slab | 118 ft | 29,475 | Good |
| Md 32 Southbound over Middle Patuxent River No. 100000130022012 | Howard County | 1.18 Mile South of MD144A | 2020 | Slab | 118 ft | 29,475 | Good |
| Joppa Road over Former Hutzlers Departm No. 200000B-0131010 | Baltimore County | E of Dulaney Valley RD | 1951 | Slab | 282 ft | 28,119 | Fair |
| Md 410 over Branch of Rock Creek No. 100000150060010 | Montgomery County | 0.34 Mile West of Md 390 | 1929 | Slab | 28 ft | 26,931 | Fair |
| Md 450 over Bald Hill Branch No. 100000160179010 | Prince George's County | 0.38 Mile East of Md 564 | 1968 | Slab | 42 ft | 24,890 | Fair |
| US 50 WB over Big Mill Pond No. 100000090006010 | Dorchester County | 3.21 Miles West of Md 331 | 1996 | Slab | 115 ft | 23,981 | Fair |
| Md 2 over Branch of Marley Creek No. 100000020128010 | Anne Arundel County | 1.48 MI S of Md 648E | 1936 | Slab | 33 ft | 23,961 | Fair |
| I-170 WB Ramp over Access Road No. 200000BC1106010 | Baltimore city | I-170 WB Ramp over Access | 1979 | Slab | 32 ft | 23,650 | Fair |
| Cherry Hill Road over Little Paint Branch No. 200000P-0104010 | Prince George's County | 0.5 Miles West of US 1 | 1966 | Slab | 110 ft | 22,938 | Poor |
| US 13 NB over Jones Creek No. 100000190014010 | Somerset County | 0.38 Mile North of Md 920 | 1934 | Slab | 24 ft | 20,870 | Fair |
| Md 223 over Piscataway Creek No. 100000160051030 | Prince George's County | 2.40 Miles South of Md 4 | 2012 | Slab | 58 ft | 20,322 | Good |
| Md 212A over Indian Creek No. 100000160038010 | Prince George's County | 0.07 Mile North of Md 694 | 1937 | Slab | 42 ft | 19,631 | Fair |
| US 15 SB over Toms Creek No. 100000100124010 | Frederick County | 0.65 Mile N of US 15BU | 1965 | Slab | 106 ft | 18,340 | Fair |
| US 15 Nbr over Toms Creek No. 100000100165010 | Frederick County | 0.65 Mile N of US 15BU | 1980 | Slab | 110 ft | 18,340 | Fair |
| Little Falls Parkw over Willet Branch No. 200000M-PK01011 | Montgomery County | 0.1 MI N Dorset Ave | 1958 | Slab | 49 ft | 16,840 | Fair |
| Shawan Road over Tributary to Oregon Bran No. 200000B-0130010 | Baltimore County | 0.7 MI E of Falls RD | 1920 | Slab | 35 ft | 16,772 | Fair |
| Md 7 over Whitemarsh Run No. 100000030015010 | Baltimore County | 0.2 M E of Campbell Blvd | 2002 | Slab | 110 ft | 16,450 | Good |
| Md 128 over CSX Transportation No. 100000030071010 | Baltimore County | 0.48 Miles East of Md 30 | 1947 | Slab | 382 ft | 15,849 | Fair |
| Md 396 over Little Falls Branch No. 100000150057010 | Montgomery County | 0.69 Mile West of Wash DC | 1931 | Slab | 30 ft | 15,581 | Fair |
| Naylor Mill Road over Naylors Pond Stream No. 200000WIS-10010 | Wicomico County | 1.25 MI W of US RTE 13 | 1963 | Slab | 59 ft | 15,353 | Poor |
| East Street over Carroll Creek No. 200000F-F-42010 | Frederick County | Just S. of South Street | 1999 | Slab | 29 ft | 15,334 | Fair |
| Strathmore Avenue over Western Run No. 200000BC2503010 | Baltimore city | 0.1 MI N Cross Country Bl | 1955 | Slab | 33 ft | 15,199 | Fair |
| US 220 over Warrior Run No. 100000010057010 | Allegany County | 0.16 Mile North of Md 636 | 1900 | Slab | 39 ft | 15,191 | Fair |
| Bowie Road over Trib to Patuxent River No. 200000P-0160010 | Prince George's County | 0.2 MI East of US 1 NB | 1927 | Slab | 68 ft | 14,730 | Good |
| Md 27 over Morgan Run No. 100000060021010 | Carroll County | 1.68 Mile North of Md 407 | 1922 | Slab | 39 ft | 14,091 | Fair |
| US 13 NB over Back Creek No. 100000190016011 | Somerset County | 0.19 Mile South of Md 413 | 1934 | Slab | 28 ft | 13,630 | Fair |
| Brink Road over Goshen Branch Tributary No. 200000M-0063010 | Montgomery County | 1.0 Miles West of Md 124 | 2007 | Slab | 53 ft | 13,608 | Good |
| Cedar Lane over Rock Creek No. 200000M-0074010 | Montgomery County | At Beach Drive | 1959 | Slab | 172 ft | 13,424 | Good |
| Md 195 over Long Branch No. 100000150190010 | Montgomery County | At Long Branch Parkway | 2005 | Slab | 38 ft | 13,190 | Good |
| Md 725 over Federal Spring Branch No. 100000160009010 | Prince George's County | 0.62 Mile West of Md 717 | 2011 | Slab | 38 ft | 13,032 | Good |
| US 13 NB over Wagram Creek No. 100000230005011 | Worcester County | 0.56 M N of Va State Line | 1954 | Slab | 86 ft | 12,933 | Fair |
| Md 53 over Winchester Run No. 100000010051010 | Allegany County | 0.62 Mile North of Md 951 | 1924 | Slab | 33 ft | 12,872 | Fair |
| Upper Level Roadwa over Lower Level Roadway No. 300000AAMA02010 | Anne Arundel County | Bwi Airport | 1977 | Slab | 1,055 ft | 12,589 | Fair |
| Upper Level Roadwa over Lower Level Roadway No. 300000AAMA12010 | Anne Arundel County | Bwi Airport | 1996 | Slab | 1,018 ft | 12,589 | Good |
| Upper Level Roadwa over Lower Level Roadway No. 300000AAMA17010 | Anne Arundel County | Bwi Airport | 2002 | Slab | 1,039 ft | 12,589 | Fair |
| Md 6 over Zekiah Swamp No. 100000080005010 | Charles County | 0.04 M E of Br No 0800600 | 1929 | Slab | 23 ft | 12,432 | Fair |
| Patterson Avenue over Tributary to Gwynns Fall No. 200000B-0101010 | Baltimore County | 0.75 MI NE of Liberty RD | 1960 | Slab | 54 ft | 12,265 | Fair |
| Md 60 over Marsh Run No. 100000210024010 | Washington County | 2.87 Miles West of Md 62 | 1900 | Slab | 23 ft | 12,172 | Fair |
| Md 51 over Evitts Creek No. 100000010044010 | Allegany County | 0.14 MI E of Cumberland | 1957 | Slab | 154 ft | 12,092 | Good |
| Md 131 over Roland Run No. 100000030358010 | Baltimore County | 0.874 Mile West of Md 45 | 1992 | Slab | 37 ft | 12,051 | Good |
| Md 213 over Gravel Run No. 100000170020010 | Queen Anne's County | 0.22 Mile South of Md 305 | 1932 | Slab | 23 ft | 11,625 | Fair |
| US 13 Bus NB over Tonytank Pond No. 100000220005011 | Wicomico County | 0.38 Mile North of Md 513 | 1995 | Slab | 275 ft | 11,480 | Fair |
| US 13 Bus SB over Tonytank Pond No. 100000220005012 | Wicomico County | 0.34 Mile North of Md 513 | 1954 | Slab | 243 ft | 11,029 | Fair |
| Md 135 over Little Youghiogheny Rive No. 100000110014010 | Garrett County | 0.12 Mile West of Md 560 | 1959 | Slab | 105 ft | 10,972 | Fair |
| US 219 over Wilson Run No. 100000110057010 | Garrett County | 0.025 M N of E Green ST | 1925 | Slab | 30 ft | 10,524 | Fair |
| US 13 SB over Kings Creek No. 100000190003012 | Somerset County | 0.18 Mile South of Md 920 | 1962 | Slab | 45 ft | 10,500 | Fair |
| S. Carroll Street over Carroll Creek No. 200000F-F-05010 | Frederick County | 470 South of SR 144 | 1991 | Slab | 69 ft | 10,130 | Fair |
| Md 5 over Eastern Branch No. 100000180008010 | St. Mary's County | 1.47 Miles N of Md 489 | 2016 | Slab | 59 ft | 10,000 | Fair |
| Md 182 over Buckhorn Br No. 100000150024010 | Montgomery County | 1.345 M S of Md 28 | 1931 | Slab | 23 ft | 9,850 | Fair |
| Jefferson Boulevar over Hamilton Run No. 200000W-H-40010 | Washington County | 0.5 MI E Cannon Ave | 1929 | Slab | 22 ft | 9,505 | Fair |
| Md 381 over Timothy Branch No. 100000160305010 | Prince George's County | 325 North of Kathleen LA | 2018 | Slab | 28 ft | 9,000 | Good |
| Brown Station Road over Cabin Branch No. 200000P-0502040 | Prince George's County | 1.61 Miles N of Md 725 | 1964 | Slab | 43 ft | 8,974 | Fair |
| Chillum Road over Tributary to Northwest B No. 200000P-MO05010 | Prince George's County | 0.35 MI S of Md 500 | 2020 | Slab | 49 ft | 8,951 | Good |
| Sunnyside Avenue over Indian Creek No. 200000P-0189010 | Prince George's County | 0.09 MI W of Md 201 | 2020 | Slab | 386 ft | 8,931 | Good |
| South Market Stree over Carroll Creek No. 200000F-F-06020 | Frederick County | 510 South of Md 144 | 1988 | Slab | 104 ft | 8,900 | Fair |
| Beach Drive over Rock Creek Tributary No. 200000M-PK05010 | Montgomery County | .81 Miles North of Md 547 | 1965 | Slab | 45 ft | 8,611 | Fair |
| Beach Drive over Silver Creek No. 200000M-PK24011 | Montgomery County | 0.4 Miles East of Md 185 | 2022 | Slab | 50 ft | 8,611 | Good |
| Dennis Avenue over Sligo Creek Tributary No. 200000M-0194010 | Montgomery County | 0.32 Miles East of Md 97 | 1961 | Slab | 34 ft | 8,590 | Poor |
| S. Court Street over Carroll Creek No. 200000F-F-07020 | Frederick County | 595 South of Md 144 | 1988 | Slab | 101 ft | 8,370 | Fair |
| Md 66 over Beaver Creek No. 100000210032010 | Washington County | 1.95 Miles N of Md 910B | 1932 | Slab | 32 ft | 8,291 | Fair |
| Md 36 over Koontz Run No. 100000010166010 | Allegany County | 0.05 Mile North of Md 657 | 2011 | Slab | 26 ft | 8,275 | Good |
| Md 234 over Chaptico Creek No. 100000180015010 | St. Mary's County | 0.22 Mile West of Md 238 | 1959 | Slab | 93 ft | 8,121 | Fair |
| Oakleigh Road over Herring Run No. 200000B-0081010 | Baltimore County | 0.2 MI S of Perring Pkwy | 1953 | Slab | 33 ft | 7,961 | Fair |
| Md 75 over Pleasant Branch No. 100000100046010 | Frederick County | 1.71 Miles N of Md 355 | 1930 | Slab | 45 ft | 7,952 | Fair |
| Md 36 over Elklick Run No. 100000010011010 | Allegany County | 0.73 M S of Br No 0112700 | 2007 | Slab | 49 ft | 7,706 | Good |
| Md 36 over Georges Creek No. 100000010012010 | Allegany County | 1.03 M S of Br No 0112700 | 2008 | Slab | 114 ft | 7,706 | Good |
| Md 36 over Georges Creek No. 100000010013010 | Allegany County | 1.2 MI N of Md 657 | 2005 | Slab | 120 ft | 7,706 | Fair |
| Cub Hill Road over Tributary to Gunpowder F No. 200000B-0221010 | Baltimore County | 0.2 MI E of Cromwell Br R | 1920 | Slab | 31 ft | 7,580 | Fair |
| Bethany Lane over Little Patuxent River No. 200000HO0048010 | Howard County | 0.1 MI N of US RTE 40 | 2006 | Slab | 109 ft | 7,535 | Good |
| Md 450 over Bacon Ridge Branch No. 100000020072010 | Anne Arundel County | 0.89 MI E of Rutland RD | 2008 | Slab | 58 ft | 7,520 | Fair |
| Md 165 over West Branch No. 100000120045010 | Harford County | 1.03 Miles N of Md 152 | 2004 | Slab | 58 ft | 7,471 | Fair |
| Md 165 over Br of West Branch No. 100000120046010 | Harford County | 0.97 Mile North of Md 152 | 2004 | Slab | 50 ft | 7,471 | Good |
| N. Bentz Street over Carroll Creek No. 200000F-F-10020 | Frederick County | 365 North of Md 144 | 1992 | Slab | 145 ft | 7,250 | Fair |
| Md 675 over Manokin River No. 100000190002010 | Somerset County | 0.08 Mile North of Md 918 | 1921 | Slab | 23 ft | 7,131 | Fair |
| US 113 Bu over Purnell Branch No. 100000230008010 | Worcester County | 0.39 Mile S of US 113 | 1952 | Slab | 68 ft | 7,120 | Fair |
| US 220 over Trib to North Br Potomac No. 100000010062010 | Allegany County | 1.21 M N of Md 830A | 1900 | Slab | 23 ft | 7,111 | Fair |
| US 220 over Mill Run No. 100000010074010 | Allegany County | 0.9 Mile South of Md 830B | 1900 | Slab | 21 ft | 7,111 | Fair |
| US 220 over Mill Run No. 100000010075010 | Allegany County | 1.88 MI S of Md 830B | 1929 | Slab | 30 ft | 7,111 | Fair |
| US 220 over Trib to North Br Potomac No. 100000010076010 | Allegany County | 1.46 MI N of Md 830A | 1929 | Slab | 24 ft | 7,111 | Fair |
| Brighton Dam Road over Brighton Dam & Triadelph No. 200000M-0229010 | Montgomery County | 1 Mile East of Md 650 | 1944 | Slab | 602 ft | 7,106 | Fair |
| Dogwood Road over Dogwood Run No. 200000B-0347010 | Baltimore County | 2.74 Mi. W. of Is 695 | 2018 | Slab | 32 ft | 7,043 | Good |
| Md 462 over Carsins Run No. 100000120047010 | Harford County | 0.66 Mile North of Md 22 | 1978 | Slab | 64 ft | 6,960 | Fair |
| Md 144FA over Carroll Creek No. 100000100036010 | Frederick County | 0.02 M E of Bentz ST | 1994 | Slab | 104 ft | 6,869 | Good |
| Md 213 over Granny Finley Branch No. 100000170018010 | Queen Anne's County | 2.9 Miles South of Md 19A | 1910 | Slab | 35 ft | 6,761 | Fair |
| Md 234 over Mirant Power Company No. 100000080044010 | Charles County | 0.19 Mile East of US 301 | 1967 | Slab | 152 ft | 6,741 | Fair |
| Md 85 over Rocky Fountain Run No. 100000100013010 | Frederick County | 0.03 Mile North of Md 880 | 1929 | Slab | 26 ft | 6,713 | Fair |
| Md 488 over Kerrick Swamp No. 100000080046010 | Charles County | 1.99 Miles East of Md 6 | 1931 | Slab | 41 ft | 6,540 | Fair |
| Needwood Road over Rock Creek No. 200000M-0055010 | Montgomery County | .6 MI W of Muncaster Mill | 1965 | Slab | 33 ft | 6,446 | Fair |
| Yellow Springs Roa over Little Tuscarora Creek No. 200000F-2113010 | Frederick County | 0.1 MI N Walter Martz RD | 1930 | Slab | 24 ft | 6,340 | Fair |
| Md 272 SB over Northeast Creek No. 100000070037010 | Cecil County | 0.1 Mile North of Md 7C | 1945 | Slab | 128 ft | 6,302 | Fair |
| Md 257 over CSX Trans No. 100000080048010 | Charles County | 0.08 Mile East of US 301 | 1967 | Slab | 152 ft | 6,290 | Fair |
| Md 28 over Br of Potomac River No. 100000100015010 | Frederick County | 0.58 MI E of Rock Hall RD | 1937 | Slab | 21 ft | 6,272 | Fair |
| Md 28 over Washington Run No. 100000100016010 | Frederick County | 1.05 Miles East of US 15 | 2008 | Slab | 42 ft | 6,272 | Fair |
| Scott Drive over Watts Branch No. 200000M-R-06010 | Montgomery County | 0.1 MI W of Wootton Pkwy | 1990 | Slab | 28 ft | 6,213 | Fair |
| Maple Avenue over Sligo Creek No. 200000M-T-01010 | Montgomery County | 0.5 Miles North of Md 410 | 1930 | Slab | 46 ft | 6,024 | Fair |
| Md 381 over Swanson Creek No. 100000160060010 | Prince George's County | On Charles CO Line | 1933 | Slab | 45 ft | 6,020 | Fair |
| Md 381 over CSX Transportation No. 100000160112010 | Prince George's County | 0.14 MI N of Charles CO | 1962 | Slab | 152 ft | 6,020 | Fair |
| Md 234 over Gilbert Swamp Run No. 100000080047010 | Charles County | 0.14 M W of ST Clair Road | 2018 | Slab | 150 ft | 6,000 | Good |
| Joppa Road over Roland Run No. 200000B-0087010 | Baltimore County | 0.2 MI W of Bellona Ave | 1970 | Slab | 64 ft | 5,886 | Fair |
| Highland Street over Carroll Creek No. 200000F-F-02020 | Frederick County | 0.9 MI East of Md 355 | 1988 | Slab | 111 ft | 5,850 | Fair |
| Md 227 over Pages Swamp No. 100000080029010 | Charles County | 1.15 Miles West of US 301 | 1900 | Slab | 21 ft | 5,771 | Fair |
| Ocean Parkway NB over Pond No. 200000WOOP03010 | Worcester County | 200 North of Md 589 | 1970 | Slab | 110 ft | 5,660 | Fair |
| Ocean Parkway SB over Pond No. 200000WOOP04010 | Worcester County | 200 North of Md 589 | 1970 | Slab | 110 ft | 5,660 | Fair |
| Md 140 over Monocacy River No. 100000100065010 | Frederick County | On Carroll CO Line | 2013 | Slab | 172 ft | 5,655 | Good |
| Lancaster St. at C over Harford Run No. 200000BC8018010 | Baltimore city | Lancaster ST at Central a | 1985 | Slab | 38 ft | 5,650 | Good |
| Md 117 over Bucklodge Branch No. 100000150018010 | Montgomery County | 3.12 Miles North of Md 28 | 1932 | Slab | 33 ft | 5,572 | Fair |
| Md 26 over Dollyhyde Creek No. 100000100027010 | Frederick County | 0.34 Mile East of Md 31 | 1932 | Slab | 21 ft | 5,482 | Fair |
| Md 45 over Fourth Mine Branch No. 100000030301010 | Baltimore County | 0.14 M N of Br No 0304600 | 1930 | Slab | 33 ft | 5,340 | Fair |
| Ednor Road over Northwest Branch No. 200000M-0106010 | Montgomery County | 1.6 Miles West of Md 650 | 1990 | Slab | 42 ft | 5,308 | Fair |
| Md 367 over Bishopville Prong No. 100000230013010 | Worcester County | 0.05 Mile West of Md 368 | 1936 | Slab | 57 ft | 5,245 | Fair |
| Md 68 over ST James Run No. 100000210152010 | Washington County | 1.338 MI W of Md 65 | 2014 | Slab | 27 ft | 5,200 | Good |
| Md 35 over Branch of Wills Creek No. 100000010068010 | Allegany County | 0.17 MI S of Pa Line | 2008 | Slab | 29 ft | 5,001 | Good |
| Oaklyn Drive over Rock Run No. 200000M-0012010 | Montgomery County | 1 Miles South of Md 189 | 1989 | Slab | 48 ft | 4,934 | Fair |
| Houcksville Road over CSX Railroad No. 200000CL0290010 | Carroll County | 1 Block West of Md 30 | 2002 | Slab | 44 ft | 4,741 | Good |
| Md 88 over Indian Run No. 100000030045010 | Baltimore County | 0.05 Mile West of Md 25 | 1930 | Slab | 28 ft | 4,651 | Fair |
| Md 20 over Shipyard Creek No. 100000140001010 | Kent County | 1.20 Miles West of Md 21 | 1920 | Slab | 23 ft | 4,590 | Fair |
| Md 382 over Mataponi Creek No. 100000160062010 | Prince George's County | 0.08 MI S of Mattaponi RD | 1930 | Slab | 45 ft | 4,500 | Fair |
| Md 382 over Rock Branch No. 100000160063010 | Prince George's County | 0.48 MI S of Tanyard RD | 1999 | Slab | 58 ft | 4,500 | Good |
| Cedarville Road over Mattawoman Creek No. 200000P-0407010 | Prince George's County | 1.14 MI East of US 301 | 2017 | Slab | 54 ft | 4,441 | Good |
| Southern Cross Dri over Tributary to Gwynns Fall No. 200000B-0328010 | Baltimore County | 0.03 MI N of Alter ST | 1955 | Slab | 41 ft | 4,436 | Fair |
| Mcnair Road over Dorsey Creek No. 1MD0642 | Anne Arundel County | 0.3 KM E of Decatur Ave | 2011 | Slab | 235 ft | 4,400 | Good |
| Md 25 over Georges Run No. 100000030019010 | Baltimore County | 1.36 MI N of Md 137 | 2015 | Slab | 59 ft | 4,400 | Good |
| Manor Road over Parker Branch No. 200000B-0377010 | Baltimore County | 1.4 M SE of Old York RD | 1985 | Slab | 29 ft | 4,309 | Fair |
| Jarrettsville Road over East Branch /Winters Run No. 200000H-0175010 | Harford County | 1.9 Miles E of Md 165 | 1950 | Slab | 28 ft | 4,308 | Poor |
| Gwynnbrook Avenue over Tributary to Gwynns Fall No. 200000B-0202010 | Baltimore County | 0.09 MI E Owings Mills Bl | 2018 | Slab | 57 ft | 4,304 | Good |
| Md 6 over Persimmon Creek No. 100000180013010 | St. Mary's County | 2.44 Miles W of Md 235 | 2021 | Slab | 59 ft | 4,200 | Good |
| Md 353 over Burnt Mill Branch No. 100000220018010 | Wicomico County | 1.90 Miles N of Md 346 | 1934 | Slab | 22 ft | 4,162 | Fair |
| Solomons Island RD over The Narrows No. 100000040005010 | Calvert County | On Solomons Island | 1958 | Slab | 25 ft | 4,126 | Fair |
| Clarksburg Road over Bennett Creek Tributary No. 200000M-0007010 | Montgomery County | 0.2 MI W Bethesda Ch RD | 2003 | Slab | 44 ft | 4,123 | Good |
| Clarksburg Road over Bennett Creek No. 200000M-0009010 | Montgomery County | 2.2 Miles SW of Md 80 | 2011 | Slab | 30 ft | 4,123 | Good |
| Md 376 over Ayers Creek No. 100000230015010 | Worcester County | 0.71 Mile West of Md 611 | 1967 | Slab | 63 ft | 4,122 | Fair |
| Md 496 over Br of Big Pipe Creek No. 100000060039010 | Carroll County | 3.03 MI E of Md 97 | 1931 | Slab | 22 ft | 4,042 | Fair |
| Md 496 over Bear Branch No. 100000060040010 | Carroll County | 0.76 Mile East of Md 97 | 1931 | Slab | 20 ft | 4,042 | Fair |
| Md 496 over Big Pipe Creek No. 100000060038010 | Carroll County | 3.52 Milei West of Md 30 | 2018 | Slab | 58 ft | 3,975 | Good |
| Md 180 over Ballenger Creek No. 100000100083010 | Frederick County | 1.74 Miles West of Is 70 | 1925 | Slab | 31 ft | 3,850 | Fair |
| Md 363 over Manokin River No. 100000190009010 | Somerset County | 0.06 Mile West of US 13 | 1974 | Slab | 85 ft | 3,722 | Fair |
| Shelbourne Road over West Branch Herbert Run No. 200000B-0099010 | Baltimore County | 0.5 MI N Sulphur Spring R | 1920 | Slab | 33 ft | 3,710 | Fair |
| Ijamsville Road over Bush Creek No. 200000F-0705010 | Frederick County | 1.2 MI N of Md RTE 80 | 2016 | Slab | 203 ft | 3,667 | Fair |
| Riverside Drive over Tony Tank Creek No. 200000WI3071010 | Wicomico County | .75 MI S Salsbry Cty Line | 1999 | Slab | 140 ft | 3,641 | Fair |
| Md 132B over AMTRAK No. 100000120061010 | Harford County | 0.03 Mile South of US 40 | 1943 | Slab | 137 ft | 3,563 | Fair |
| Main ST (md 937) over Branch of Georges Creek No. 100000010022010 | Allegany County | 0.36 MI N of W Va Line | 1933 | Slab | 23 ft | 3,555 | Fair |
| Md 25 over Blackrock Run No. 100000030020010 | Baltimore County | 1.46 Mile South of Md 137 | 1995 | Slab | 32 ft | 3,551 | Fair |
| Md 550 over Dorcus Branch No. 100000100095010 | Frederick County | 0.74 Mile South of Md 194 | 1925 | Slab | 24 ft | 3,541 | Fair |
| Woodland Road over Branch of Little Patuxen No. 200000HO0102010 | Howard County | 0.01 MI N Md RTE 108 | 1935 | Slab | 24 ft | 3,512 | Fair |
| First Street over Rock Creek Tributary No. 200000M-R-24010 | Montgomery County | 0.07 Miles West of Md 28 | 2017 | Slab | 25 ft | 3,496 | Good |
| Md 550 over Israel Creek No. 100000100094010 | Frederick County | 0.24 Mile South of Md 194 | 2015 | Slab | 58 ft | 3,450 | Good |
| Access Road over Georges Run No. 200000CL0381010 | Carroll County | 0.1 Mile East of Md 30 | 2009 | Slab | 65 ft | 3,415 | Good |
| Md 304 over German Branch No. 100000170042010 | Queen Anne's County | 1.26 Miles E of Md 481 | 2002 | Slab | 58 ft | 3,400 | Good |
| Holter Road over Hollow Creek No. 200000F-0304010 | Frederick County | 1 Mile Southeast of Md 17 | 1920 | Slab | 46 ft | 3,394 | Fair |
| Md 86 over Br of Gunpowder Falls No. 100000060018010 | Carroll County | 0.24 MI S of Pa Line | 1929 | Slab | 24 ft | 3,322 | Fair |
| Md 6 over Port Tabacco Creek No. 100000080009010 | Charles County | 2.55 Miles West of US 301 | 1988 | Slab | 104 ft | 3,302 | Fair |
| Blue Ball RD over Little Northeast Creek No. 200000CE0021010 | Cecil County | 0.01 MI N of Wheatley RD | 2007 | Slab | 68 ft | 3,291 | Fair |
| Md 28 over Tuscarora Creek No. 100000100014010 | Frederick County | 1.85 Miles West of Md 85 | 2007 | Slab | 114 ft | 3,212 | Fair |
| Remington Avenue over Abandoned Railroad No. 200000BC8017010 | Baltimore city | Remington Av/Abandoned RR | 1901 | Slab | 45 ft | 3,110 | Fair |
| Md 94 over Patuxent River No. 100000130047010 | Howard County | On Montgomery CO Line | 1989 | Slab | 54 ft | 3,022 | Fair |
| Md 667 over Rehobeth Branch No. 100000190017010 | Somerset County | 4.96 Miles West of US 13 | 1976 | Slab | 67 ft | 2,999 | Fair |
| Md 128 over Mcgill Run No. 100000030069010 | Baltimore County | 3.00 MI W of Md 25 | 1929 | Slab | 27 ft | 2,991 | Fair |
| Md 128 over Slade Run No. 100000030070010 | Baltimore County | 3.05 MI E of Md 30 | 1990 | Slab | 38 ft | 2,991 | Fair |
| Is 695 Ramp G over Mta Light Rail No. 100000020089010 | Anne Arundel County | 0.04 MI N of Md 170 | 1967 | Slab | 355 ft | 2,874 | Fair |
| Rutland Road over North River No. 200000AA4032010 | Anne Arundel County | 200 Ft. from Md 450 | 2018 | Slab | 28 ft | 2,860 | Good |
| Old Denton Road over Faulkner Branch No. 200000CO0037010 | Caroline County | 0.6 MI N of Federalsburg | 1963 | Slab | 91 ft | 2,799 | Poor |
| Gold Mine Road over Hawlings River No. 200000M-0096010 | Montgomery County | 0.4 Miles West of Md 650 | 2019 | Slab | 58 ft | 2,792 | Good |
| Md 36 over Trib to Jennings Run No. 100000010008010 | Allegany County | 1.87 MI N of Md 638 | 2020 | Slab | 57 ft | 2,724 | Good |
| Md 222 over Rock Run No. 100000070027010 | Cecil County | 0.84 Mile North of Md 276 | 2016 | Slab | 44 ft | 2,700 | Good |
| Md 31 over Sams Creek No. 100000060008010 | Carroll County | On Frederick CO Line | 1921 | Slab | 43 ft | 2,611 | Fair |
| Belfast Road over Tributary to Piney Creek No. 200000B-0390010 | Baltimore County | 0.6 MI W of Is 83 | 1920 | Slab | 24 ft | 2,600 | Fair |
Counties with the most
| Baltimore County | 58 |
| Montgomery County | 37 |
| Worcester County | 37 |
| Frederick County | 36 |
| Wicomico County | 31 |
| Allegany County | 30 |
| Washington County | 26 |
| Cecil County | 25 |
| Prince George's County | 24 |
| Somerset County | 24 |
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