Harford County, Maryland bridges
Harford County has 276 bridges and culverts in the National Bridge Inventory, the oldest built in 1883. 12 (4%) are rated poor. The most common type is stringer/multi-beam or girder (46%).
- Bridges
- 276
- Good
- 39%
- Fair
- 57%
- Poor
- 4%
- 12 bridges
- Average age
- 51.7 yrs
- Posted or closed
- 34
Map of bridges in Harford County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Harford County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good39%(107)
Fair57%(157)
Poor4%(12)
When they were built
Busiest
- I-95 over Winters Run RD Winters RFair161,591 vehicles/day
- I-95 over James RunFair130,492 vehicles/day
- I-95 over Grays RunGood116,162 vehicles/day
- I-95 over Carsins RunGood100,386 vehicles/day
- I-95 over Swan CreekFair100,386 vehicles/day
Longest
- Fair
- Fair
- US 1 over Susquehanna RiverFair4,488 ft
- Md 132 over AMTRAKFair830 ft
- Md 7A over AMTRAKFair547 ft
Oldest
- Nobles Mill Road over Deer CreekPoorBuilt 1883
- Cherry Hill Road over Deer CreekFairBuilt 1900
- Green Road over Deer CreekFairBuilt 1900
- Plumtree Road over Plumtree RunFairBuilt 1900
- Lake Fanny Road over Winters RunFairBuilt 1913
All bridges in Harford County
Busiest first · showing 1–200 of 276| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-95 over Winters Run RD Winters R No. 300000H-X758010 | Milepost M75.8 | 1963 | Stringer/Multi-beam or Girder | 300 ft | 161,591 | Fair |
| I-95 over James Run No. 300000H-X799010 | 6.9 MI N Balt-Har CO Line | 1963 | Stringer/Multi-beam or Girder | 145 ft | 130,492 | Fair |
| I-95 over Grays Run No. 300000H-X832020 | Milepost M82.8 | 1963 | Culvert | 28 ft | 116,162 | Good |
| I-95 over Carsins Run No. 300000H-X856020 | Milepost M85.3 | 1963 | Culvert | 31 ft | 100,386 | Good |
| I-95 over Swan Creek No. 300000H-X863020 | Milepost M86.0 | 1963 | Culvert | 31 ft | 100,386 | Fair |
| I-95 over Md 462 No. 300000H-X866010 | Milepost M86.6 | 1963 | Stringer/Multi-beam or Girder | 190 ft | 95,675 | Fair |
| I-95 over Susquehanna River Pa RR No. 300000H-X907010 | Harford-Cecil CO Line | 1963 | Truss - Deck | 5,061 ft | 86,430 | Fair |
| Md 24 SB over I-95 No. 300000H-X765013 | I-95 Milepost M76.4 | 1963 | Stringer/Multi-beam or Girder | 235 ft | 73,058 | Fair |
| Md 24 NB over I-95 No. 300000H-X765014 | I-95 Milepost 76.4 | 1987 | Stringer/Multi-beam or Girder | 235 ft | 73,058 | Fair |
| Md 24 over Md 924 No. 100000120091010 | 0.53 MI North of I-95 | 2011 | Stringer/Multi-beam or Girder | 162 ft | 72,060 | Good |
| I-95 SB over Bynum Run No. 300000H-X793012 | Milepost M79.1 | 1963 | Stringer/Multi-beam or Girder | 120 ft | 66,515 | Fair |
| I-95 NB over Bynum Run No. 300000H-X793011 | Milepost M79.1 | 1963 | Stringer/Multi-beam or Girder | 108 ft | 63,977 | Fair |
| Md 24 over Plumtree Run No. 100000120087030 | 0.86 M N of Plumtree Road | 1987 | Culvert | 66 ft | 37,310 | Fair |
| Md 24 over Plumtree Run No. 100000120088030 | 0.57 M N of Plumtree Road | 1987 | Culvert | 61 ft | 37,310 | Fair |
| Md 24 over Plumtree Run No. 100000120086030 | 0.38 Mile South of US 1BU | 1987 | Culvert | 46 ft | 35,300 | Fair |
| US 40 over Cranberry Run No. 100000120024010 | 0.32 Mile East of Md 159 | 1935 | Stringer/Multi-beam or Girder | 33 ft | 34,600 | Fair |
| Md 22 over I-95 No. 300000H-X849010 | Milepost M84.9 | 2003 | Stringer/Multi-beam or Girder | 344 ft | 28,000 | Good |
| US 40 over Swan Creek No. 100000120022010 | 0.26 Mile West of Md 132B | 1935 | Tee Beam | 42 ft | 27,800 | Fair |
| Md RTE 152 over I-95 No. 300000H-X743010 | Milepost M74.3 | 1992 | Stringer/Multi-beam or Girder | 247 ft | 27,371 | Fair |
| US 40 & Rmps 5 & 6 over Br of Swan Creek No. 100000120069020 | 0.03 Mile South of Md 22 | 1968 | Culvert | 28 ft | 26,751 | Fair |
| Md 22 over CSX Trans. No. 100000120068010 | 0.06 Mile West of US 40 | 1968 | Stringer/Multi-beam or Girder | 57 ft | 25,940 | Fair |
| US 40 over Church Creek No. 100000120025010 | 1.24 Miles West of Md 7 | 1935 | Stringer/Multi-beam or Girder | 40 ft | 25,930 | Fair |
| U.S. Route 40 over Susquehanna River-Pa RR No. 300000H-Z040010 | Harford-Cecil CO Line | 1939 | Truss - Thru | 7,749 ft | 25,780 | Fair |
| Md 152 over CSX Transportation No. 100000120036010 | 0.25 Mile North of US 40 | 1971 | Stringer/Multi-beam or Girder | 200 ft | 24,672 | Good |
| Md 24 over Trib. to Otter Point Cre No. 100000120089020 | 0.13 Mile North of Md 755 | 1969 | Culvert | 28 ft | 24,240 | Fair |
| US 1 & Ramp C(2) over Bynum Run No. 100000120006020 | 0.25 Mile North of Md 24 | 1964 | Culvert | 21 ft | 23,320 | Fair |
| Md 24F over Heavenly Waters No. 100000120083030 | 0.18 Mile South of Md 24 | 1987 | Culvert | 36 ft | 23,140 | Fair |
| Md 24 & 24E over Heavenly Waters No. 100000120084030 | 0.19 MI S of US 1 | 1987 | Culvert | 28 ft | 23,140 | Good |
| Md 22 over Bynum Run No. 100000120012020 | 0.99 MI W of Md 543 | 1950 | Culvert | 46 ft | 22,861 | Fair |
| Md 22 over AMTRAK Trib to Swan CR No. 100000120005010 | 0.06 Mile East of US 40 | 1968 | Stringer/Multi-beam or Girder | 117 ft | 22,420 | Fair |
| US 40 over Br of Otter Point Creek No. 100000120027020 | 0.41 Mile East of Md 24 | 1994 | Culvert | 57 ft | 21,614 | Good |
| Md 24 over Ped. and Horse Tunnel No. 100000120085030 | 0.45 Mile North of US 1BU | 1987 | Culvert | 27 ft | 21,480 | Good |
| US 1 over Winters Run No. 100000120065010 | 0.96 Mile North of Md 147 | 1963 | Stringer/Multi-beam or Girder | 131 ft | 21,112 | Poor |
| US 40 over Bush Creek No. 100000120026010 | 3.24 Miles East of Md 24 | 1935 | Stringer/Multi-beam or Girder | 111 ft | 21,093 | Fair |
| US 40 over Otter Point Creek No. 100000120028010 | 0.10 Mile East of Md 24 | 1935 | Stringer/Multi-beam or Girder | 132 ft | 21,093 | Fair |
| US 1 Bu over Winters Run No. 100000120004010 | 0.87 Mile North of US 1 | 1930 | Arch - Deck | 55 ft | 20,564 | Fair |
| US 1 over N Tollgate RD Ped Trail No. 100000120066010 | 1.44 Miles N of Md 147 | 1963 | Stringer/Multi-beam or Girder | 111 ft | 20,542 | Poor |
| Md 24 NB over Otters Point Creek No. 100000120042011 | 0.1 Mile North of US 40 | 1996 | Stringer/Multi-beam or Girder | 229 ft | 20,242 | Good |
| Md 24 SB over Otters Point Creek No. 100000120042012 | 0.1 Mile North of US 40 | 1967 | Stringer/Multi-beam or Girder | 198 ft | 20,242 | Fair |
| Md 24 Nbr over US 40 No. 100000120062011 | 0.35 Mile North of Md 755 | 1995 | Stringer/Multi-beam or Girder | 247 ft | 20,242 | Good |
| Md 24 Sbr over US 40 No. 100000120062012 | 0.35 Mile North of Md 755 | 1967 | Stringer/Multi-beam or Girder | 245 ft | 20,242 | Fair |
| Md 24 over CSX Railroad No. 100000120070011 | 0.3 Mile South of Md 7 | 1995 | Stringer/Multi-beam or Girder | 139 ft | 20,242 | Good |
| Md 24 Sbr over CSX Trans. No. 100000120070012 | 0.3 Mile South of Md 7 | 1970 | Stringer/Multi-beam or Girder | 138 ft | 20,242 | Fair |
| US 1 over Md 24 No. 100000120015010 | 1.1 Miles S of US 1BU | 1964 | Stringer/Multi-beam or Girder | 230 ft | 20,002 | Fair |
| Md 543 over Is 95 No. 100000120077010 | 0.23 Mile North of Md 7 | 1991 | Stringer/Multi-beam or Girder | 387 ft | 18,391 | Fair |
| Md 543 over James Run No. 100000120051030 | 1.23 Mile South of Md 136 | 1988 | Culvert | 56 ft | 18,082 | Fair |
| Md 543 over US 40 CSX Railroad No. 100000120082010 | 1.17 Miles South of Md 7 | 1995 | Girder and Floorbeam System | 380 ft | 17,981 | Good |
| Md 22 over US 40 No. 100000120035010 | 0.39 Mile West of Md 132B | 1968 | Stringer/Multi-beam or Girder | 241 ft | 17,370 | Fair |
| Md 24 over AMTRAK Sibert RD No. 100000120071010 | 1.66 Miles S of Md 755 | 1974 | Stringer/Multi-beam or Girder | 337 ft | 16,092 | Fair |
| Joppa Farm Road over Foster Branch No. 200000H-0201020 | 1.9 Miles E of US 40 | 1997 | Culvert | 26 ft | 15,650 | Good |
| Md 155 over I-95 No. 300000H-X890010 | Milepost M89.0 | 1960 | Stringer/Multi-beam or Girder | 243 ft | 15,420 | Fair |
| US 1 over Susquehanna River No. 100000120001010 | On Cecil CO Line | 1927 | Box Beam or Girders - Multiple | 4,488 ft | 14,243 | Fair |
| Md 543 over Br of Bynum Run No. 100000120050010 | 0.3 Mile North of Md 136 | 1936 | Stringer/Multi-beam or Girder | 22 ft | 14,221 | Fair |
| Md 7 over Haha Branch No. 100000120081030 | 0.74 Mile North of Md 24 | 1976 | Culvert | 29 ft | 13,781 | Good |
| Abingdon Road over I-95 No. 300000H-X780010 | I-95 Milepost M77.9 | 1963 | Stringer/Multi-beam or Girder | 242 ft | 13,161 | Fair |
| Md 7 over James Run No. 100000120009010 | 0.28 Mile North of Md 136 | 2014 | Box Beam or Girders - Multiple | 58 ft | 12,500 | Good |
| Md 7 over CSX Trans. No. 100000120007010 | 0.34 Mile South of US 40 | 1993 | Girder and Floorbeam System | 135 ft | 12,210 | Good |
| Md 7 over Grays Run No. 100000120008010 | 1.01 Miles South of US 40 | 1925 | Tee Beam | 31 ft | 12,210 | Fair |
| Md 7A over AMTRAK No. 100000120073010 | 0.12 Mile North of US 40 | 1983 | Stringer/Multi-beam or Girder | 547 ft | 11,932 | Fair |
| Md 23 over Morse Road No. 100000120064010 | 1.03 Miles S of Md 165 | 1961 | Stringer/Multi-beam or Girder | 94 ft | 11,892 | Good |
| Md 23 over Phillips Mill RD & E. Br No. 100000120063010 | 1.97 Miles S of Md 165 | 1961 | Stringer/Multi-beam or Girder | 295 ft | 11,602 | Fair |
| Md 715 over US 40 No. 100000120023010 | 2 Miles West of Md 22 | 1985 | Stringer/Multi-beam or Girder | 209 ft | 11,583 | Fair |
| Md 7 over Bynum Run No. 100000120010010 | 0.17 Mile West of Md 136 | 1923 | Tee Beam | 64 ft | 11,350 | Fair |
| US 1 Bu over Bynum Run No. 100000120003030 | .06 M N of Moores Mill RD | 1953 | Culvert | 37 ft | 11,230 | Fair |
| US 1 over Deer Creek No. 100000120002010 | 2.08 Miles S of Md 136 | 1934 | Stringer/Multi-beam or Girder | 132 ft | 11,172 | Fair |
| Abingdon Road over CSX Railroad No. 200000H-0169010 | 0.1 Miles N of US 40 | 1940 | Girder and Floorbeam System | 199 ft | 10,242 | Poor |
| Md 136 over Deer Creek No. 100000120033010 | 2.64 Miles South of US 1 | 1931 | Truss - Thru | 107 ft | 9,984 | Fair |
| Edgewood Road over Otter Point Creek (n) No. 200000H-0202010 | 0.3 Miles S of Md 7 | 1933 | Stringer/Multi-beam or Girder | 113 ft | 9,886 | Fair |
| Moores Mill Road over Bynum Run No. 200000H-0048010 | 0.3 Miles NW of Md 22 | 2005 | Box Beam or Girders - Multiple | 50 ft | 9,615 | Good |
| Edgewood Road over Otter Point Creek (s) No. 200000H-0203020 | 0.4 Miles S of Md 7 | 1987 | Culvert | 65 ft | 9,554 | Fair |
| Brierhill Drive over Bynum Run No. 200000H-0180010 | 0.4 Miles S of Md 22 | 1987 | Stringer/Multi-beam or Girder | 120 ft | 9,278 | Good |
| Singer Road over Winters Run No. 200000H-0008010 | 1.1 Miles W of Md 24 | 1983 | Stringer/Multi-beam or Girder | 130 ft | 9,170 | Fair |
| Md 715 EB over AMTRAK No. 100000120058013 | 0.51 Mile East of US 40 | 1943 | Stringer/Multi-beam or Girder | 180 ft | 8,627 | Fair |
| Md 715 WB over AMTRAK No. 100000120058014 | 0.51 Mile East of US 40 | 1943 | Stringer/Multi-beam or Girder | 180 ft | 8,626 | Fair |
| Carrs Mill Road over Winters Run No. 200000H-0064010 | 1.4 Miles N of Md 152 | 1991 | Stringer/Multi-beam or Girder | 135 ft | 8,285 | Good |
| Carrs Mill Road over Bear Cabin Branch No. 200000H-0216010 | 1.7 Miles N of Md 152 | 2018 | Box Beam or Girders - Single or Spread | 45 ft | 8,142 | Good |
| Hess Road over Yellow Branch No. 200000H-0081010 | 0.5 Miles E of Md 146 | 1950 | Stringer/Multi-beam or Girder | 28 ft | 8,065 | Fair |
| Tollgate Road over Heavenly Waters No. 200000H-0194020 | 0.6 Miles W of Bus US 1 | 2000 | Culvert | 23 ft | 8,025 | Fair |
| Md 543 over Deer Creek No. 100000120049010 | 1.47 Miles S of Md 440 | 1932 | Stringer/Multi-beam or Girder | 106 ft | 7,736 | Fair |
| Md 136 over I-95 No. 300000H-X796010 | Milepost M79.0 | 1963 | Stringer/Multi-beam or Girder | 227 ft | 7,656 | Fair |
| Md 136 over Broad Creek No. 100000120032010 | 1.35 Miles S of Md 646 | 1961 | Stringer/Multi-beam or Girder | 107 ft | 7,511 | Fair |
| Md 165 over West Branch No. 100000120045010 | 1.03 Miles N of Md 152 | 2004 | Slab | 58 ft | 7,471 | Fair |
| Md 165 over Br of West Branch No. 100000120046010 | 0.97 Mile North of Md 152 | 2004 | Slab | 50 ft | 7,471 | Good |
| Md 462 over Swan Creek No. 100000120048020 | 0.84 Mile North of Md 22 | 1978 | Culvert | 39 ft | 7,401 | Fair |
| Md 7 over Winters Run No. 100000120011010 | 0.33 M S of Edgewood Road | 1991 | Stringer/Multi-beam or Girder | 137 ft | 7,300 | Good |
| Md 462 over Carsins Run No. 100000120047010 | 0.66 Mile North of Md 22 | 1978 | Slab | 64 ft | 6,960 | Fair |
| Md 165 over Little Deer Creek No. 100000120044010 | 2.35 Miles South of Md 24 | 1930 | Arch - Deck | 40 ft | 6,673 | Fair |
| Md 462 over Swan Creek No. 100000120074020 | 0.27 Mile South of Is 95 | 1978 | Culvert | 22 ft | 6,501 | Good |
| Md 136 over James Run No. 100000120034010 | 1.6 Miles North of Md 543 | 2006 | Box Beam or Girders - Multiple | 60 ft | 6,361 | Good |
| Md 165 over Deer Creek No. 100000120043010 | 1.89 Miles South of Md 24 | 1932 | Stringer/Multi-beam or Girder | 86 ft | 6,101 | Fair |
| Wheel Road over Bynum Run No. 200000H-0009010 | 1.2 Miles NE of Md 924 | 1996 | Stringer/Multi-beam or Girder | 57 ft | 6,075 | Good |
| Md 165 over Broad Creek No. 100000120041020 | 0.4 Mile North of Md 543 | 1959 | Culvert | 23 ft | 5,772 | Fair |
| Lewis Lane over AMTRAK Railroad No. 200000H-H-01010 | 0.1 Miles E of US 40 | 1980 | Stringer/Multi-beam or Girder | 181 ft | 5,745 | Fair |
| Md 161 over Deer Creek No. 100000120040010 | 2.11 Miles S of Md 623 | 1995 | Stringer/Multi-beam or Girder | 264 ft | 5,291 | Good |
| Md 159 over Cranberry Run No. 100000120039010 | 0.22 Mile South of US 40 | 2008 | Girder and Floorbeam System | 63 ft | 4,980 | Good |
| Singer Road over Mountain Branch No. 200000H-0007010 | 1.7 Miles E of Md 152 | 2003 | Box Beam or Girders - Multiple | 56 ft | 4,530 | Good |
| Bynum Road over Bynum Run No. 200000H-0046010 | 0.5 Miles NE of Md 24 | 1976 | Stringer/Multi-beam or Girder | 44 ft | 4,310 | Fair |
| Jarrettsville Road over East Branch /Winters Run No. 200000H-0175010 | 1.9 Miles E of Md 165 | 1950 | Slab | 28 ft | 4,308 | Poor |
| Spesutia Road over Cranberry Run No. 200000H-0014010 | 0.2 Miles N of Md 159 | 1966 | Box Beam or Girders - Multiple | 61 ft | 4,242 | Fair |
| Schuster Road over West Branch/ Winters Run No. 200000H-0090010 | 0.2 Miles E of Md 146 | 1999 | Stringer/Multi-beam or Girder | 40 ft | 4,200 | Good |
| Md 132B over Swan Creek No. 100000120013010 | 0.33 Mile South of US 40 | 1930 | Tee Beam | 40 ft | 4,030 | Fair |
| Hookers Mill Road over Bynum Run No. 200000H-0013010 | 0.8 Miles W of Md 136 | 1957 | Box Beam or Girders - Multiple | 93 ft | 3,986 | Poor |
| Md 624 over Broad Creek No. 100000120054010 | 1.15 Miles N of Md 165 | 1936 | Stringer/Multi-beam or Girder | 25 ft | 3,920 | Fair |
| Md 132 over AMTRAK No. 100000120075010 | 0.19 Mile East of US 40 | 1983 | Stringer/Multi-beam or Girder | 830 ft | 3,900 | Fair |
| Southampton Road over Bynum Run No. 200000H-0222010 | 0.6 Miles W of Md 543 | 2010 | Box Beam or Girders - Multiple | 120 ft | 3,876 | Good |
| Md 24 over North Stirrup Run No. 100000120018010 | 3.09 Miles North of Md 23 | 1917 | Tee Beam | 40 ft | 3,572 | Fair |
| Md 132B over AMTRAK No. 100000120061010 | 0.03 Mile South of US 40 | 1943 | Slab | 137 ft | 3,563 | Fair |
| Md 23 over Deer Creek No. 100000120014010 | 1.98 Miles West of Md 136 | 1989 | Stringer/Multi-beam or Girder | 93 ft | 3,552 | Fair |
| Old Joppa Road over I-95 No. 300000H-X734010 | Milepost M73.4 | 2019 | Stringer/Multi-beam or Girder | 336 ft | 3,330 | Good |
| Pleasantville Road over Winters Run No. 200000H-0067010 | 1.5 Miles N of Md 152 | 1958 | Stringer/Multi-beam or Girder | 82 ft | 3,320 | Fair |
| Md 24 over Kellogg Branch No. 100000120017010 | 2.86 Miles S of Md 165 | 1917 | Tee Beam | 25 ft | 3,193 | Fair |
| Md 24 over Br of Deer Creek No. 100000120078030 | 0.29 M S of Coen Road | 1986 | Culvert | 23 ft | 3,193 | Good |
| Md 24 over Br of Deer Creek No. 100000120079030 | 0.09 M N of Coen Road | 1986 | Culvert | 31 ft | 3,193 | Fair |
| Md 24 over Br of Deer Creek No. 100000120080030 | 0.42 M S of Davis Road | 1986 | Culvert | 50 ft | 3,193 | Fair |
| Macphail Road over Bynum Run No. 200000H-0049010 | 1.6 Miles E of Md 924 | 1974 | Box Beam or Girders - Multiple | 55 ft | 3,095 | Fair |
| Whitaker Mill Road over Winters Run No. 200000H-0051010 | 1.8 Miles W of US 1 | 1991 | Truss - Thru | 75 ft | 3,051 | Fair |
| Md 24 over Deer Creek No. 100000120016010 | 2.17 Miles S of Md 165 | 1934 | Truss - Thru | 132 ft | 2,951 | Fair |
| Chapel Road over I-95 No. 300000H-X878010 | Milepost 87.8 | 1963 | Stringer/Multi-beam or Girder | 226 ft | 2,880 | Fair |
| Grafton Shop Road over Bear Cabin Branch No. 200000H-0065010 | 0.03 MI N of Timberlea DR | 1977 | Stringer/Multi-beam or Girder | 76 ft | 2,765 | Fair |
| Watervale Road over Winters Run No. 200000H-0063010 | 1.7 Miles N of Md 152 | 2016 | Box Beam or Girders - Single or Spread | 96 ft | 2,479 | Good |
| Md 136 over Big Branch No. 100000120030010 | 2.64 Miles North of Md 24 | 1934 | Tee Beam | 33 ft | 2,420 | Fair |
| Vale Road over US 1 No. 100000120067010 | @ US 1 | 1963 | Stringer/Multi-beam or Girder | 221 ft | 2,254 | Fair |
| Old Fallston Road over Ma & Pa Railroad (aband) No. 200000H-0185010 | 0.3 Miles S of Md 152 | 1930 | Stringer/Multi-beam or Girder | 77 ft | 2,210 | Fair |
| Md 136 over Falling Branch No. 100000120031010 | 0.55 Mile North of Md 24 | 1931 | Tee Beam | 48 ft | 2,161 | Poor |
| Chelsea Road over AMTRAK Railroad No. 200000H-0176010 | 0.3 Miles SE of Md 159 | 1981 | Stringer/Multi-beam or Girder | 201 ft | 2,130 | Fair |
| Md 136 over Island Branch No. 100000120029010 | 1.0 Mile South of Md 23 | 1935 | Stringer/Multi-beam or Girder | 34 ft | 1,901 | Fair |
| Stepney Road over I-95 No. 300000H-X837010 | Milepost M83.4 | 1963 | Stringer/Multi-beam or Girder | 293 ft | 1,810 | Fair |
| Durham Road over West Branch and Winters No. 200000H-0075010 | 0.01 MI E of Charles ST | 1995 | Stringer/Multi-beam or Girder | 49 ft | 1,770 | Good |
| Henderson Road over Trib / Bynum Run No. 200000H-0179030 | 0.1 Miles W of Md 543 | 1990 | Culvert | 21 ft | 1,759 | Fair |
| West Macphail Road over Plumtree Run No. 200000H-B-02010 | 0.2 Miles SW of Md 24 | 1999 | Arch - Deck | 41 ft | 1,723 | Good |
| Thomas Run Road over Trib / Thomas Run No. 200000H-0168030 | 2.1 Miles NE of Md 543 | 1973 | Culvert | 23 ft | 1,690 | Fair |
| Grier Nursery Road over Deer Creek No. 200000H-0043010 | 1.0 Mile S of Cherry H RD | 1955 | Stringer/Multi-beam or Girder | 166 ft | 1,660 | Poor |
| Econ Drive over Trib / Bynum Run No. 200000H-0210030 | 100 Ft N Moores Mill RD | 1982 | Culvert | 24 ft | 1,623 | Fair |
| Md 623 over Br of Susquehanna Riv No. 100000120090030 | 0.47 Mile North of Md 161 | 1993 | Culvert | 26 ft | 1,620 | Good |
| Furnace Road over West Branch/Winters Run No. 200000H-0074010 | 0.6 Miles E of Md 152 | 1996 | Stringer/Multi-beam or Girder | 45 ft | 1,550 | Good |
| Cool Spring Road over Tobacco Run No. 200000H-0033020 | 0.8 Miles W of Md 136 | 1981 | Culvert | 39 ft | 1,545 | Fair |
| Ryan Road over Bread and Cheese Branch No. 200000H-0061010 | 1.1 Miles North of Md 152 | 2008 | Box Beam or Girders - Multiple | 57 ft | 1,530 | Good |
| Md 623 over Peddler Run No. 100000120053020 | 2.03 Miles N of US 1 | 1987 | Culvert | 25 ft | 1,501 | Good |
| Clayton Road over I-95 No. 300000H-X751010 | Milepost M75.0 | 2022 | Stringer/Multi-beam or Girder | 308 ft | 1,386 | Good |
| Bridge Drive over Joppatowne Canal No. 200000H-0163010 | 0.05 MI S of Towne Cnt DR | 1975 | Stringer/Multi-beam or Girder | 215 ft | 1,342 | Fair |
| Oakington Road over Gasheys Creek No. 200000H-0164010 | 0.8 Miles S of Md 132 | 1993 | Stringer/Multi-beam or Girder | 49 ft | 1,330 | Good |
| Whitaker Mill Road over High Bridge Branch No. 200000H-0052040 | 1.4 Miles E of US 1 | 1998 | Frame | 25 ft | 1,325 | Fair |
| James Run Road over Broad Run No. 200000H-0181030 | 0.3 Miles E of Md 136 | 1960 | Culvert | 33 ft | 1,265 | Good |
| Maxa Road over I-95 No. 300000H-X859010 | Milepost M85.6 | 1963 | Stringer/Multi-beam or Girder | 253 ft | 1,239 | Good |
| James Run Road over James Run No. 200000H-0032010 | 0.5 Miles E of Md 136 | 1977 | Stringer/Multi-beam or Girder | 39 ft | 1,215 | Fair |
| Md 646 over Broad Creek No. 100000120057010 | 0.77 Mile North of Md 543 | 1933 | Stringer/Multi-beam or Girder | 68 ft | 1,140 | Fair |
| Sharon Road over South Stirrup Run No. 200000H-0093010 | 0.7 Miles E of Md 24 | 1950 | Stringer/Multi-beam or Girder | 33 ft | 1,140 | Fair |
| Md 623 over Broad Creek No. 100000120052010 | 2.63 MI S of Pa Line | 1998 | Stringer/Multi-beam or Girder | 365 ft | 1,120 | Good |
| Bear Creek Drive over Bear Cabin Branch No. 200000H-0193030 | 0.2 MI N of Bernadette DR | 1980 | Culvert | 48 ft | 1,111 | Good |
| Thomas Run Road over Thomas Run No. 200000H-0034010 | 0.1 Miles E of Kalmia RD | 2008 | Box Beam or Girders - Multiple | 59 ft | 1,083 | Good |
| Morse Road over East Branch/Winters Run No. 200000H-0072040 | 0.3 Miles NE of Md 23 | 1997 | Frame | 38 ft | 1,045 | Fair |
| Ruffs Mill Road over Trib / Thomas Run No. 200000H-0190010 | 0.8 Miles SE of US 1 | 2011 | Box Beam or Girders - Single or Spread | 59 ft | 1,007 | Good |
| Gilbert Road over Carsins Run No. 200000H-0208030 | 0.5 Miles N Md 22 | 1960 | Culvert | 23 ft | 1,000 | Good |
| Fawn Grove Road over Deer Creek No. 200000H-0109010 | 0.8 Miles N of Md 165 | 1978 | Stringer/Multi-beam or Girder | 85 ft | 978 | Good |
| Friendship Road over Overshot Branch No. 200000H-0059010 | 1.0 Miles S of Md 152 | 1975 | Box Beam or Girders - Multiple | 44 ft | 975 | Fair |
| Md 156 over Swan Creek No. 100000120038030 | 0.54 Mile West of Md 155 | 1922 | Culvert | 29 ft | 970 | Fair |
| Reckord Road over Wildcat Branch No. 200000H-0055010 | 0.1 Miles S of US 1 | 1957 | Box Beam or Girders - Multiple | 32 ft | 961 | Fair |
| Glen Cove Road over Peddler Run No. 200000H-0155010 | 1.4 MI NE Md 136 | 1930 | Box Beam or Girders - Multiple | 36 ft | 890 | Good |
| Bernadette Drive over Bear Cabin Branch No. 200000H-0192030 | 0.8 Mil E of Grafton Shop | 1970 | Culvert | 33 ft | 869 | Fair |
| Earlton Road over I-95 No. 300000H-X881010 | Milepost M88.4 | 1963 | Stringer/Multi-beam or Girder | 239 ft | 829 | Fair |
| Bynum Ridge Road over Bynum Run No. 200000H-0195030 | 0.2 Miles E of Bynum RD | 1975 | Culvert | 36 ft | 827 | Fair |
| Glenville Road over Mill Brook No. 200000H-0030010 | 2.1 Miles NE of Md 22 | 1930 | Stringer/Multi-beam or Girder | 38 ft | 816 | Poor |
| Madonna Road over Cattail Branch No. 200000H-0105020 | 0.4 Mile S of Mt Horeb RD | 1992 | Culvert | 43 ft | 789 | Good |
| Madonna Road over Little Deer Creek No. 200000H-0106010 | 0.3 Mile S of Mt Horeb RD | 1992 | Stringer/Multi-beam or Girder | 65 ft | 789 | Fair |
| Clayton Road over Mountain Branch No. 200000H-0200030 | 0.3 Miles W of Singer RD | 1970 | Culvert | 22 ft | 766 | Fair |
| Mt Horeb Road over Little Deer Creek No. 200000H-0107010 | 1.2 Miles NW of Md 165 | 1955 | Stringer/Multi-beam or Girder | 56 ft | 751 | Good |
| Tollgate Road over Trib / Winters Run No. 200000H-0213010 | 500 Ft N of Montrose Way | 2003 | Arch - Deck | 35 ft | 736 | Good |
| Wagner Way over Bynum Run No. 200000H-0204020 | 0.2 Miles E of Md 24 | 2001 | Culvert | 59 ft | 732 | Good |
| Moores Road over Saw Mill Branch No. 200000H-0078010 | 0.04 Miles N of Greene RD | 1952 | Stringer/Multi-beam or Girder | 33 ft | 724 | Fair |
| North Avenue over Bynum Run No. 200000H-0215010 | 0.2 Miles East of Md 924 | 2011 | Box Beam or Girders - Single or Spread | 136 ft | 714 | Good |
| Chestnut Hill Road over Stout Bottle Branch No. 200000H-0040010 | 0.6 Miles NW of Md 543 | 2020 | Box Beam or Girders - Multiple | 36 ft | 681 | Good |
| Carsins Run Road over Carsins Run No. 200000H-0015010 | 0.03 Miles N of Md 22 | 1972 | Stringer/Multi-beam or Girder | 36 ft | 655 | Fair |
| Putnam Road over West Branch/Winters Run No. 200000H-0068010 | 1.5 Miles E of Md 165 | 1950 | Stringer/Multi-beam or Girder | 50 ft | 648 | Fair |
| Chestnut Hill Road over Cabbage Run No. 200000H-0041010 | 0.7 Miles NW of Md 543 | 1938 | Stringer/Multi-beam or Girder | 26 ft | 642 | Fair |
| Greene Road over Saw Mill Branch No. 200000H-0079010 | 0.3 Miles NE of Balt CO | 1952 | Stringer/Multi-beam or Girder | 52 ft | 616 | Good |
| Four Seasons Drive over Tributary to Ha Ha Branc No. 200000H-0183030 | 0.03 Miles W of Md 7 | 2005 | Culvert | 49 ft | 595 | Good |
| Trappe Church Road over Hollands Branch No. 200000H-0161010 | 1.1 Miles SW of Md 161 | 1952 | Stringer/Multi-beam or Girder | 32 ft | 591 | Poor |
| Winters Run Road over Mountain Branch No. 200000H-0006010 | 0.05 Miles S of Singer RD | 1972 | Stringer/Multi-beam or Girder | 36 ft | 585 | Good |
| Prospect Road over Deep Creek No. 200000H-0217030 | 1.1 Miles N of Md 136 | 1950 | Culvert | 22 ft | 575 | Fair |
| Winters Run Road over Trib / Winters Run No. 200000H-0005010 | 0.5 Miles N of Md 7 | 1972 | Stringer/Multi-beam or Girder | 25 ft | 565 | Fair |
| ST Clair Bridge RD over Deer Creek No. 200000H-0100010 | 1.0 Miles S of Md 165 | 1954 | Stringer/Multi-beam or Girder | 193 ft | 563 | Fair |
| Cherry Hill Road over Deer Creek No. 200000H-0094010 | 0.02 Miles NE of Md 24 | 1900 | Truss - Thru | 124 ft | 559 | Fair |
| Old Pylesville RD over Trib / Jacks Hole No. 200000H-0136040 | 0.2 Miles NE of Md 165 | 1997 | Frame | 43 ft | 541 | Fair |
| Snake Lane over James Run No. 200000H-0031010 | 0.21 MI E of Md 136 | 2019 | Slab | 31 ft | 529 | Good |
| Heaps Road over Broad Creek No. 200000H-0148010 | 0.5 Miles NE of Md 543 | 1979 | Stringer/Multi-beam or Girder | 105 ft | 529 | Fair |
| Burnt Hill Trail over Trib Grays Run No. 200000H-0173010 | 0.5 Miles N. of Md 7 | 2008 | Arch - Deck | 50 ft | 515 | Fair |
| Lapidum Road over I-95 No. 300000H-X894010 | Milepost M89.7 | 1963 | Stringer/Multi-beam or Girder | 230 ft | 515 | Good |
| Green Road over Trib / Deer Creek No. 200000H-0119010 | 0.2 M W of Long Corner RD | 2019 | Box Beam or Girders - Multiple | 34 ft | 510 | Good |
| Walters Mill Road over Stout Bottle Branch No. 200000H-0039010 | 0.2 Miles W of Md 543 | 1959 | Slab | 36 ft | 508 | Fair |
| Stafford Road over Buck Branch No. 200000H-0162010 | 0.5 Mil W of Graigs CR RD | 1980 | Stringer/Multi-beam or Girder | 33 ft | 508 | Poor |
| Harford Creamery R over Trib / Little Deer Creek No. 200000H-0104010 | 0.5 Miles N of Lemon RD | 2015 | Box Beam or Girders - Multiple | 41 ft | 500 | Good |
| Martha Lewis Boule over CSX No. 200000H-H-04010 | 0.1 Mi. W. of US 40 | 2006 | Stringer/Multi-beam or Girder | 94 ft | 500 | Good |
| Glen Cove Road over Peddler Run No. 200000H-0156010 | 1.90 Mi. E of Dublin | 2019 | Box Beam or Girders - Multiple | 30 ft | 481 | Good |
| Stafford Road over Deer Creek No. 200000H-0024010 | 0.03 MI N of Craigs CR RD | 1951 | Stringer/Multi-beam or Girder | 227 ft | 469 | Good |
| Trappe Church Road over Hopkins Branch No. 200000H-0159010 | 1.0 Miles E of Md 136 | 1978 | Stringer/Multi-beam or Girder | 45 ft | 441 | Fair |
| Aldino-Stepney RD over Carsins Run No. 200000H-0016010 | 0.5 Miles N of Md 22 | 2000 | Box Beam or Girders - Multiple | 40 ft | 439 | Good |
| Phillips Mill Road over East Branch/ Winters Run No. 200000H-0070010 | 0.6 Miles W of Md 23 | 2020 | Box Beam or Girders - Multiple | 58 ft | 434 | Good |
| Mill Green Road over Broad Creek No. 200000H-0143010 | 0.03 Miles E of Md 646 | 1988 | Stringer/Multi-beam or Girder | 80 ft | 418 | Fair |
| Heaps School Road over Broad Creek No. 200000H-0149010 | 0.3 Miles N of Md 543 | 1965 | Stringer/Multi-beam or Girder | 50 ft | 405 | Fair |
| New Park Road over Island Branch No. 200000H-0125010 | 0.78 Mi. NE of Route 23 | 2019 | Slab | 31 ft | 395 | Good |
Structure types in Harford County
| Stringer/Multi-beam or Girder | 126 | 45.7% |
| Culvert | 65 | 23.6% |
| Box Beam or Girders - Multiple | 31 | 11.2% |
| Slab | 13 | 4.7% |
| Arch - Deck | 12 | 4.3% |
| Tee Beam | 8 | 2.9% |
| Truss - Thru | 6 | 2.2% |
| Frame | 6 | 2.2% |
| Girder and Floorbeam System | 4 | 1.4% |
| Box Beam or Girders - Single or Spread | 4 | 1.4% |
| Truss - Deck | 1 | 0.4% |
Other counties in Maryland
- Allegany County 244
- Anne Arundel County 392
- Baltimore city 374
- Baltimore County 786
- Calvert County 34
- Caroline County 70
- Carroll County 205
- Cecil County 193
- Charles County 94
- Dorchester County 47
- Frederick County 485
- Garrett County 140
- Howard County 312
- Kent County 44
- Montgomery County 522
- Prince George's County 576
- Queen Anne's County 88
- Somerset County 46
- St. Mary's County 50
- Talbot County 42
- Washington County 300
- Wicomico County 98
- Worcester County 82