Howard County, Maryland bridges
Howard County has 312 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 16 (5%) are rated poor. The most common type is stringer/multi-beam or girder (53%).
- Bridges
- 312
- Good
- 33%
- Fair
- 62%
- Poor
- 5%
- 16 bridges
- Average age
- 46 yrs
- Posted or closed
- 6
Map of bridges in Howard County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Howard County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good33%(103)
Fair62%(193)
Poor5%(16)
When they were built
Busiest
- Is 95 NB over Md 103Fair193,331 vehicles/day
- Is 95 SB over Md 103Fair193,331 vehicles/day
- Is 95 & Ramps 2 & over Hammond BranchFair192,401 vehicles/day
- Is 95 NB over CSX TransportationFair187,920 vehicles/day
- Is 95 SB over CSX TransportationFair187,920 vehicles/day
Longest
- Fair
- Fair
- Fair
- Fair
- I-895 SB over I-95Fair519 ft
Oldest
- US 1 SB over Little Patuxent RiverFairBuilt 1900
- Mink Hollow Road over Patuxent RiverFairBuilt 1908
- Md 108 over Cricket CreekFairBuilt 1912
- Fair
- Fair
All bridges in Howard County
Busiest first · showing 1–200 of 312| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Is 95 NB over Md 103 No. 100000130050011 | 0.50 Mile South of Md 100 | 1968 | Slab | 130 ft | 193,331 | Fair |
| Is 95 SB over Md 103 No. 100000130050012 | 0.50 Mile South of Md 100 | 1968 | Slab | 130 ft | 193,331 | Fair |
| Is 95 & Ramps 2 & over Hammond Branch No. 100000130075020 | 0.38 Mile North Od Md 216 | 1968 | Culvert | 32 ft | 192,401 | Fair |
| Is 95 NB over CSX Transportation No. 100000130064011 | 0.75 M N of Guilford Road | 1970 | Slab | 128 ft | 187,920 | Fair |
| Is 95 SB over CSX Transportation No. 100000130064012 | 0.75 M N of Guilford Road | 1970 | Slab | 128 ft | 187,920 | Fair |
| Is 95 NB over Guilford Road No. 100000130066010 | 1.55 Miles N of Is 95I | 1970 | Stringer/Multi-beam or Girder | 145 ft | 187,920 | Fair |
| Is 95 NB over Md 32 Wbr No. 100000130068010 | 0.14 M S of Guilford Road | 1970 | Stringer/Multi-beam or Girder | 283 ft | 187,920 | Fair |
| Is 95 NB over Md 32 Ebr No. 100000130070010 | 0.28 M S of Guilford Road | 1970 | Stringer/Multi-beam or Girder | 240 ft | 187,920 | Fair |
| Is 95 NB over Middle Patuxent River No. 100000130056011 | 0.18 Mile North of Is 95I | 1970 | Stringer/Multi-beam or Girder | 254 ft | 186,750 | Fair |
| Is 95 SB over Middle Patuxent River No. 100000130056012 | 0.18 Mile North of Is 95I | 1970 | Stringer/Multi-beam or Girder | 254 ft | 186,750 | Fair |
| Is 95 NB over Stansfield RD No. 100000130077011 | 0.50 MI N of Pg CO | 1970 | Slab | 122 ft | 186,040 | Fair |
| Is 95 SB over Stansfield RD No. 100000130077012 | 0.50 MI N of Pg CO | 1970 | Slab | 120 ft | 186,040 | Fair |
| Is 95 SB over Little Patuxent River No. 100000130072012 | 0.46 Mile South of Md 32 | 1971 | Stringer/Multi-beam or Girder | 395 ft | 184,862 | Fair |
| US 29 NB over US 29 Ramp a (07) No. 100000130008010 | 0.29 Mile South of US 40 | 1966 | Stringer/Multi-beam or Girder | 180 ft | 130,203 | Fair |
| US 29 NB over Frederick Road No. 100000130010011 | 0.54 Mile South of US 40 | 1948 | Stringer/Multi-beam or Girder | 137 ft | 130,203 | Fair |
| US 29 SB over Frederick Road No. 100000130010012 | 0.54 Mile South of US 40 | 1966 | Stringer/Multi-beam or Girder | 135 ft | 130,203 | Fair |
| Is 95 NB over Little Patuxent River No. 100000130072011 | 0.46 Mile South of Md 32 | 1971 | Stringer/Multi-beam or Girder | 395 ft | 104,355 | Fair |
| US 29 NB over US 40 No. 100000130011011 | 1.35 Miles South of Is 70 | 1966 | Stringer/Multi-beam or Girder | 296 ft | 98,360 | Fair |
| US 29 SB over US 40 No. 100000130011012 | 1.35 Miles South of Is 70 | 1966 | Stringer/Multi-beam or Girder | 274 ft | 98,360 | Fair |
| Is 70 EB over Is 70 Ramp G(7) No. 100000130020010 | 0.23 Mile East of US 29 | 1966 | Stringer/Multi-beam or Girder | 211 ft | 94,221 | Fair |
| Md 32 WB over Is 95 Sbr No. 100000130069010 | 1.74 Miles North of US 1 | 1970 | Stringer/Multi-beam or Girder | 298 ft | 91,311 | Fair |
| Md 32 EB over Guilford Road No. 100000130100013 | 1.0 Mile North of Is 95 | 1980 | Stringer/Multi-beam or Girder | 90 ft | 91,311 | Fair |
| Md 32 WB over Guilford Road No. 100000130100014 | 1.0 Mile North of Is 95 | 1980 | Stringer/Multi-beam or Girder | 90 ft | 91,311 | Good |
| Md 100 EB over Is 95 No. 100000130049013 | 0.79 Mile West of US 1 | 1970 | Stringer/Multi-beam or Girder | 315 ft | 90,902 | Fair |
| Md 100 WB over Is 95 No. 100000130049014 | 0.79 Mile West of US 1 | 1970 | Stringer/Multi-beam or Girder | 310 ft | 90,902 | Fair |
| Md 100 over Br of Deep Run No. 100000130130030 | 0.83 Mile East of Md 104 | 1998 | Culvert | 20 ft | 89,660 | Fair |
| Is 70 EB over Md 32 No. 100000130031013 | 2.12 Miles West of US 40 | 1973 | Stringer/Multi-beam or Girder | 237 ft | 85,270 | Fair |
| Is 70 WB over Md 32 No. 100000130031014 | 2.12 Miles West of US 40 | 1973 | Stringer/Multi-beam or Girder | 237 ft | 85,270 | Fair |
| Md 100 EB over Md 100 Ramp a No. 100000130058013 | 0.92 Mile West of US 1 | 1970 | Slab | 143 ft | 84,712 | Fair |
| Md 100 WB over Md 100 Ramp a No. 100000130058014 | 0.92 Mile West of US 1 | 1970 | Slab | 143 ft | 84,712 | Fair |
| Md 100 over CSX RR Oconnor RD No. 100000130149013 | 0.24 M W of Aa CO Line | 1996 | Stringer/Multi-beam or Girder | 231 ft | 83,402 | Good |
| Md 100 over CSX RR Oconnor Road No. 100000130149014 | 0.24 M W of Aa CO Line | 1996 | Stringer/Multi-beam or Girder | 231 ft | 83,402 | Good |
| Md 100 over Dorsey Station Access RD No. 100000130150013 | 0.39 M W of Aa CO Line | 1996 | Stringer/Multi-beam or Girder | 90 ft | 83,402 | Good |
| Md 100 over Dorsey Station Access RD No. 100000130150014 | 0.39 M W of Aa CO Line | 1996 | Stringer/Multi-beam or Girder | 90 ft | 83,402 | Good |
| Md 100 over Snowden River Parkway No. 100000130144013 | 0.86 Mile West of Md 103 | 1998 | Stringer/Multi-beam or Girder | 97 ft | 82,092 | Good |
| Md 100 over Snowden River Parkway No. 100000130144014 | 0.86 Mile West of Md 103 | 1997 | Stringer/Multi-beam or Girder | 97 ft | 82,092 | Good |
| Md 100 over Old Mont. RD & Deep Run No. 100000130145013 | 0.62 Mile West of Md 103 | 1998 | Stringer/Multi-beam or Girder | 189 ft | 82,092 | Good |
| Md 100 over Old Mont. RD & Deep Run No. 100000130145014 | 0.62 Mile West of Md 103 | 1998 | Stringer/Multi-beam or Girder | 157 ft | 82,092 | Good |
| Md 32 EB over CSX Transportation No. 100000130115013 | On Anne Arundel CO Line | 1983 | Stringer/Multi-beam or Girder | 302 ft | 81,833 | Fair |
| Md 32 WB over CSX Transportation No. 100000130115014 | On Anne Arundel CO Line | 1983 | Stringer/Multi-beam or Girder | 302 ft | 81,833 | Fair |
| Md 32 WB over Little Patuxent River No. 100000130105010 | 0.23 M S of Shaker Drive | 1981 | Girder and Floorbeam System | 444 ft | 81,712 | Fair |
| Md 32 EB over Little Patuxent River No. 100000130106010 | 0.23 M S of Shaker Drive | 1981 | Girder and Floorbeam System | 444 ft | 81,712 | Good |
| Md 100 over Trib to Red Hill Branch No. 100000130140030 | .25 M E of Long Gate Pkwy | 1993 | Culvert | 30 ft | 80,680 | Good |
| Md 100 over Red Hill Branch No. 100000130141030 | 0.6 M E of Long Gate Pkwy | 1993 | Culvert | 46 ft | 80,680 | Good |
| Md 32 EB over US 1 No. 100000130108013 | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 80,612 | Fair |
| Md 32 WB over US 1 No. 100000130108014 | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 80,612 | Fair |
| Md 100 over Executive Park Drive No. 100000130147010 | 0.91 Mile West of Md 104 | 1998 | Slab | 55 ft | 79,752 | Good |
| Md 100 Ebr over US 29 Ramp 7 No. 100000130120010 | 0.05 M N of Br No 1311900 | 1992 | Stringer/Multi-beam or Girder | 132 ft | 75,332 | Good |
| Md 100 Ebr over US 29 Nbr No. 100000130121010 | 0.24 Mile South of Md 103 | 1992 | Stringer/Multi-beam or Girder | 443 ft | 75,332 | Fair |
| US 29 NB over Little Patuxent River No. 100000130012011 | 1.62 Miles S of Md 175 | 1971 | Stringer/Multi-beam or Girder | 79 ft | 73,292 | Fair |
| US 29 SB over Little Patuxent River No. 100000130012012 | 1.62 Miles S of Md 175 | 1950 | Stringer/Multi-beam or Girder | 79 ft | 73,292 | Fair |
| Is 70 EB over Md 97 No. 100000130030013 | 3.17 Miles East of Md 94 | 1973 | Stringer/Multi-beam or Girder | 289 ft | 72,612 | Fair |
| Is 70 WB over Md 97 No. 100000130030014 | 3.17 Miles East of Md 94 | 1973 | Stringer/Multi-beam or Girder | 289 ft | 72,612 | Fair |
| US 29 over Hammond Branch No. 100000130014020 | 0.73 Mile North of Md 216 | 1951 | Culvert | 25 ft | 69,132 | Fair |
| Is 70 EB over Trans Cont Pipe Line No. 100000130054013 | 0.35 Mile East of US 40 | 1968 | Stringer/Multi-beam or Girder | 139 ft | 67,990 | Fair |
| Is 70 WB over Trans Cont Pipe Line No. 100000130054014 | 0.35 Mile East of US 40 | 1968 | Stringer/Multi-beam or Girder | 134 ft | 67,990 | Fair |
| Md 32 Cds CO RD over Guilford Branch No. 100000130116020 | 0.418 Mile South of US 1 | 1983 | Culvert | 38 ft | 66,020 | Fair |
| Md 32 EB over US 29 No. 100000130101013 | 3.22 Miles North of Is 95 | 1980 | Stringer/Multi-beam or Girder | 220 ft | 61,442 | Fair |
| Md 32 WB over US 29 No. 100000130101014 | 3.22 Miles North of Is 95 | 1980 | Stringer/Multi-beam or Girder | 220 ft | 61,442 | Fair |
| Md 32 Ebr over Middle Patuxent River No. 100000130114013 | 0.89 Mile North of US 29 | 1995 | Stringer/Multi-beam or Girder | 469 ft | 61,442 | Good |
| US 29 NB over Middle Patuxent River No. 100000130013011 | 1.05 Miles South of Md 32 | 1951 | Stringer/Multi-beam or Girder | 134 ft | 52,913 | Fair |
| US 29 SB over Middle Patuxent River No. 100000130013012 | 1.05 Miles South of Md 32 | 1970 | Stringer/Multi-beam or Girder | 144 ft | 52,913 | Fair |
| US 40 over Little Patuxent River No. 100000130032040 | 0.49 M W of Dogwood Drive | 1939 | Frame | 41 ft | 50,111 | Fair |
| Md 32 EB over Cedar Lane No. 100000130135013 | 1.19 Mile North of US 29 | 1994 | Stringer/Multi-beam or Girder | 123 ft | 48,582 | Good |
| Md 32 WB over Cedar Lane No. 100000130135014 | 1.19 Mile North of US 29 | 1994 | Stringer/Multi-beam or Girder | 123 ft | 48,582 | Good |
| Md 32 Wbr over Middle Patuxent River No. 100000130114014 | 0.89 Mile North of US 29 | 1985 | Stringer/Multi-beam or Girder | 472 ft | 48,061 | Fair |
| Md 175 WB & Rmp B over Little Patuxent River No. 100000130079010 | 0.27 Mile North of US 29 | 1970 | Slab | 148 ft | 47,121 | Fair |
| Md 175 EB over Little Patuxent River No. 100000130087010 | 0.27 Mile North of US 29 | 1974 | Slab | 140 ft | 47,121 | Fair |
| Snowden River Park over Robert Fulton Drive No. 200000HO0126010 | 1.0 MI S of Md RTE 175 | 1976 | Stringer/Multi-beam or Girder | 134 ft | 46,097 | Fair |
| Md 32 over Cricket Creek No. 100000130134030 | 0.88 Mile South of Md 108 | 1994 | Culvert | 82 ft | 45,660 | Fair |
| Md 175 over Pedestrian Walkway No. 100000130090020 | 0.69 Mile South of US 29 | 1975 | Culvert | 20 ft | 44,142 | Fair |
| Md 175 over Pedestrian Walkway No. 100000130091020 | 1.56 Miles N of Md 175HC | 1975 | Culvert | 23 ft | 44,142 | Fair |
| Md 175 over Br of Little Patuxent Ri No. 100000130139030 | 2.1 Mile North of Md 108 | 1977 | Culvert | 31 ft | 44,142 | Fair |
| Little Patuxent Pa over Wilde Lake Branch No. 200000HO0155030 | 0.2 MI N of Gov Warfield | 1967 | Culvert | 41 ft | 41,780 | Fair |
| US 1 & Ramp C(8) over Guilford Branch No. 100000130006020 | 0.26 M S of Guilford Road | 1983 | Culvert | 34 ft | 38,190 | Fair |
| US 40 over Patapsco Forest Road No. 100000130034010 | 0.5 MI W of Baltimore CO | 1936 | Slab | 24 ft | 37,530 | Fair |
| Md 108 EB over Little Patuxent River No. 100000130016013 | 0.55 Mile West of US 29 | 1975 | Stringer/Multi-beam or Girder | 106 ft | 36,160 | Fair |
| Md 108 WB over Little Patuxent River No. 100000130016014 | 0.55 Mile West of US 29 | 1975 | Stringer/Multi-beam or Girder | 106 ft | 36,160 | Fair |
| US 1 over Hammond Branch No. 100000130009010 | 1.28 Miles South of Md 32 | 1929 | Tee Beam | 33 ft | 36,052 | Fair |
| Snowden River Park over Robert Fulton Drive No. 200000HO0128010 | 1.0 MI S of Md RTE 175 | 1975 | Stringer/Multi-beam or Girder | 139 ft | 35,944 | Fair |
| US 1 over Bealmear Branch No. 100000130002010 | 0.46 Mile North of Md 100 | 1929 | Tee Beam | 40 ft | 35,932 | Fair |
| US 1 over Md 100 No. 100000130118010 | 0.51 Mile North of Md 103 | 1994 | Stringer/Multi-beam or Girder | 183 ft | 35,932 | Good |
| Md 175 SB over CO Rtes 2035 & 2036 No. 100000130092012 | 0.5 Mile North of Md 108 | 1975 | Stringer/Multi-beam or Girder | 137 ft | 34,795 | Fair |
| Md 175 EB over Is 95 No. 100000130061013 | 0.49 Mile North of US 1 | 1970 | Stringer/Multi-beam or Girder | 339 ft | 33,570 | Fair |
| Broken Land Pkwy over Md 32 No. 100000130103010 | 0.47 MI N of Md 732A | 1981 | Stringer/Multi-beam or Girder | 428 ft | 32,730 | Fair |
| Broken Land Pkwy over Little Patuxent River No. 100000130126010 | 0.31 MI S of US 29 | 1992 | Stringer/Multi-beam or Girder | 216 ft | 32,730 | Good |
| Broken Land Pkwy over US 29 Ramp D(1) No. 100000130127010 | 0.13 MI S of US 29 | 1992 | Stringer/Multi-beam or Girder | 89 ft | 32,730 | Good |
| Broken Land Pkwy over US 29 No. 100000130129010 | 1.79 MI S of Md 175 | 1991 | Stringer/Multi-beam or Girder | 191 ft | 32,730 | Fair |
| Md 175 Wbr over Snowden River Parkway No. 100000130153014 | 0.84 Mile West of Md 108 | 2001 | Girder and Floorbeam System | 225 ft | 32,168 | Good |
| Md 175 NB over CO Rtes 2035 & 2036 No. 100000130092011 | 0.5 Mile North of Md 108 | 1975 | Stringer/Multi-beam or Girder | 137 ft | 30,855 | Fair |
| Md 175 Ebr over Snowden River Parkway No. 100000130153013 | 0.84 Mile West of Md 108 | 2001 | Girder and Floorbeam System | 225 ft | 30,855 | Good |
| Md 32 Northbound over Terrapin Branch No. 100000130021011 | 0.82 Mi. South of Md 144 | 2020 | Slab | 60 ft | 29,475 | Good |
| Md 32 Southbound over Terrapin Branch No. 100000130021012 | 0.82 Mi. South of Md 144 | 2020 | Slab | 60 ft | 29,475 | Good |
| Md 32 Northbound over Middle Patuxent River No. 100000130022011 | 1.18 Mile South of Md 144 | 2020 | Slab | 118 ft | 29,475 | Good |
| Md 32 Southbound over Middle Patuxent River No. 100000130022012 | 1.18 Mile South of MD144A | 2020 | Slab | 118 ft | 29,475 | Good |
| Md 32 over Br of Middle Patuxent Ri No. 100000130023020 | 1.5 MI N of Burntwoods RD | 2020 | Culvert | 27 ft | 29,475 | Good |
| US 1 over Deep Run No. 100000130003010 | 0.56 Mile North of Md 175 | 1929 | Arch - Deck | 22 ft | 29,180 | Fair |
| Md 175 WB over Is 95 No. 100000130061014 | 0.49 Mile North of US 1 | 1970 | Stringer/Multi-beam or Girder | 333 ft | 28,774 | Fair |
| Md 216 over Patuxent River No. 100000130044010 | On Prince Georges CO Line | 1960 | Stringer/Multi-beam or Girder | 265 ft | 24,667 | Fair |
| Md 32 over Br of Patapsco River No. 100000130019020 | 0.49 Mile S of Md 851F | 1958 | Culvert | 20 ft | 23,612 | Fair |
| Cedar Lane over Middle Patuxent River No. 200000HO0189010 | .02 MI N of Md 32 | 1994 | Stringer/Multi-beam or Girder | 263 ft | 23,114 | Good |
| Md 175 EB over US 29 No. 100000130086013 | 4.06 Miles N of Md 108 | 1973 | Stringer/Multi-beam or Girder | 268 ft | 22,557 | Fair |
| Md 32 over Br of Terrapin Branch No. 100000130098030 | 0.10 Mile South of Is 70 | 1958 | Culvert | 31 ft | 22,492 | Fair |
| US 1 over Dorsey Run No. 100000130004010 | 0.04 Mile S of Md 958P | 1929 | Tee Beam | 38 ft | 21,992 | Fair |
| US 1 over Branch of Dorsey Run No. 100000130005010 | 1.03 Miles S of Md 958P | 1929 | Tee Beam | 21 ft | 21,992 | Fair |
| US 1 over CSX Trans. No. 100000130099010 | 0.85 Mile North of Md 32 | 1969 | Stringer/Multi-beam or Girder | 139 ft | 21,992 | Fair |
| Md 175 WB over US 29 No. 100000130086014 | 4.06 Miles N of Md 108 | 1973 | Stringer/Multi-beam or Girder | 268 ft | 21,673 | Fair |
| Md 175 over CSX RR No. 100000130043010 | On Anne Arundel CO Line | 1942 | Stringer/Multi-beam or Girder | 194 ft | 21,441 | Fair |
| Broken Land Pkwy over Little Patuxent River No. 200000HO0152010 | 0.125 MI S of Md RTE 32 | 1986 | Stringer/Multi-beam or Girder | 324 ft | 21,288 | Good |
| US 29 NB over Is 70 Ramp G(7) No. 100000130028010 | 0.68 Mile South of Md 99 | 1966 | Stringer/Multi-beam or Girder | 209 ft | 21,083 | Fair |
| Md 216 EB over Is 95 No. 100000130076013 | 1.56 Miles N of Pg CO | 1970 | Stringer/Multi-beam or Girder | 417 ft | 20,412 | Fair |
| Md 216 WB over Is 95 No. 100000130076014 | 1.56 Miles N of Pg CO | 1970 | Stringer/Multi-beam or Girder | 417 ft | 20,412 | Fair |
| US 1 SB over Little Patuxent River No. 100000130007012 | 0.38 Mile South of Md 32 | 1900 | Arch - Deck | 97 ft | 20,330 | Fair |
| Md 108 EB over US 29 No. 100000130111013 | 0.36 Mile West of Md 108H | 1986 | Stringer/Multi-beam or Girder | 277 ft | 19,880 | Fair |
| Md 108 WB over US 29 No. 100000130111014 | 0.36 Mile West of Md 108H | 1986 | Stringer/Multi-beam or Girder | 277 ft | 19,880 | Fair |
| Md 108 over Middle Patuxent River No. 100000130017010 | 2.02 Miles East of Md 216 | 1985 | Stringer/Multi-beam or Girder | 145 ft | 19,870 | Fair |
| Md 108 over Md 32 No. 100000130133010 | 0.09 M E of Ten Oaks Road | 1996 | Stringer/Multi-beam or Girder | 227 ft | 19,870 | Good |
| US 1 NB over Little Patuxent River No. 100000130007011 | 0.38 Mile South of Md 32 | 1955 | Stringer/Multi-beam or Girder | 216 ft | 19,773 | Fair |
| Md 32 over Riv RD CSX Patapsco Riv No. 100000130157010 | On Carroll County Line | 2003 | Stringer/Multi-beam or Girder | 285 ft | 19,240 | Good |
| Md 100J over Md 100 No. 100000130138010 | .11 M N of Meadowbrook LA | 1992 | Stringer/Multi-beam or Girder | 202 ft | 18,231 | Good |
| Marriottsville RD over Is 70 No. 100000130053010 | 0.91 MI E of US 40 | 1968 | Stringer/Multi-beam or Girder | 250 ft | 18,047 | Fair |
| Md 216 over US 29 No. 100000130152013 | .16 M N of Ice Crystal DR | 2001 | Stringer/Multi-beam or Girder | 295 ft | 17,672 | Good |
| Md 216 over US 29 No. 100000130152014 | .16 M N of Ice Crystal DR | 2001 | Stringer/Multi-beam or Girder | 295 ft | 17,672 | Good |
| US 1 Nbr over Race Track RD No. 100000130035020 | 0.06 MI N of Pg CO Line | 1949 | Culvert | 26 ft | 16,190 | Fair |
| Md 100 Ramp a over Is 95 No. 100000130057010 | 0.79 Mile West of US 1 | 1970 | Stringer/Multi-beam or Girder | 272 ft | 15,864 | Fair |
| Md 32 Ramp 9 over US 1 No. 100000130109010 | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 15,788 | Fair |
| Md 732R over Md 32 No. 100000130123010 | 0.17 M S of Guilford Road | 1991 | Stringer/Multi-beam or Girder | 214 ft | 15,761 | Good |
| Md 732R over CSX Trans Brock Bridge No. 100000130125010 | On Anne Arundel CO Line | 1990 | Stringer/Multi-beam or Girder | 203 ft | 15,761 | Good |
| Guilford Road over Is 95 Sbr No. 100000130067010 | 1.74 Miles N of US 1 | 1969 | Stringer/Multi-beam or Girder | 249 ft | 15,711 | Fair |
| Whiskey Bottom RD over CSX RR Tracks No. 200000HO0117010 | Anne Arundel County Line | 1943 | Stringer/Multi-beam or Girder | 133 ft | 15,581 | Good |
| Md 32 EB over Is 95 Sbr No. 100000130071010 | 1.74 Miles North of US 1 | 1970 | Stringer/Multi-beam or Girder | 327 ft | 15,262 | Fair |
| I-895 over US 1 Patapsco River Ramp No. 300000HOY014010 | I-895 Milepost 1.05 | 1973 | Stringer/Multi-beam or Girder | 675 ft | 15,114 | Fair |
| Rogers Ave over Is 70 No. 100000130001010 | 0.18 MI E of Md 985A | 1966 | Stringer/Multi-beam or Girder | 226 ft | 14,721 | Fair |
| US 29 Ramp 7 over US 40 Ebr No. 100000130033010 | 0.13 Mile East of US 29 | 2012 | Stringer/Multi-beam or Girder | 125 ft | 14,400 | Good |
| Md 100M (coca Cola over Branch of Deep Run No. 100000130151030 | 0.06 M N of Aa CO Line | 1998 | Culvert | 55 ft | 13,792 | Good |
| Guilford Road over CSX Transportation No. 200000HO0194010 | On Anne Arundel CO Line | 2008 | Stringer/Multi-beam or Girder | 100 ft | 13,485 | Good |
| Murray Hill Road over Middle Patuxent River No. 200000HO0014010 | 0.1 MI S Vollmerhausen RD | 1988 | Stringer/Multi-beam or Girder | 135 ft | 13,409 | Fair |
| Oakland Mills Road over Elkhorn Branch of Little No. 200000HO0010030 | 1.0 M N Snowden River Pkw | 1975 | Culvert | 53 ft | 13,335 | Fair |
| Md 97 over Cattail Creek No. 100000130037010 | 1.31 Miles N of Mont CO | 1927 | Tee Beam | 44 ft | 13,200 | Fair |
| Md 97 over Patuxent River No. 100000130038010 | On Montgomery CO Line | 2000 | Stringer/Multi-beam or Girder | 226 ft | 13,200 | Good |
| Centennial Lane over Branch of Little Patuxen No. 200000HO0103020 | 0.3 MI S of Frederick RD | 1992 | Culvert | 34 ft | 13,080 | Good |
| Md 103 over Md 100 No. 100000130146010 | 1.35 Mile North of I-95 | 1997 | Stringer/Multi-beam or Girder | 248 ft | 12,911 | Good |
| Md 108 over Cricket Creek No. 100000130097030 | 0.85 Mile West of Md 32 | 1912 | Culvert | 28 ft | 12,830 | Fair |
| Md 104 over Md 100 No. 100000130148010 | 0.12 Mile North of Md 108 | 1998 | Stringer/Multi-beam or Girder | 259 ft | 12,400 | Good |
| Md 103 over US 29 No. 100000130122010 | 1.89 Miles North of US 29 | 1992 | Stringer/Multi-beam or Girder | 245 ft | 12,161 | Fair |
| US 29 NB over Is 70 No. 100000130048011 | 0.44 Mile South of Md 99 | 1966 | Stringer/Multi-beam or Girder | 245 ft | 11,870 | Fair |
| Tamar Drive over Dorsey Run No. 200000HO0143030 | 0.1 MI W of Old Mongomer | 1989 | Culvert | 34 ft | 11,824 | Fair |
| Cradlerock Way over Trail and Lake Elkhorn B No. 200000HO0112010 | 0.4 MI E Brokenland Pkwy | 1972 | Stringer/Multi-beam or Girder | 56 ft | 11,356 | Fair |
| US 29 Ramp 7 over US 29 Nbr No. 100000130119010 | 0.36 Mile South of Md 103 | 1992 | Stringer/Multi-beam or Girder | 374 ft | 11,348 | Fair |
| Stephens Road over Hammond Branch No. 200000HO0013010 | 0.3 M N Whiskey Bottom RD | 2021 | Stringer/Multi-beam or Girder | 175 ft | 11,292 | Good |
| Tamar Drive over Unnamed Stream No. 200000HO0109010 | 0.1 MI E Phelps Luck | 1970 | Stringer/Multi-beam or Girder | 54 ft | 10,941 | Poor |
| Frederick Road over Little Patuxent River No. 200000HO0049010 | 0.5 MI E Centennial Lane | 1930 | Arch - Deck | 26 ft | 10,927 | Fair |
| Frederick Road over Plumtree Branch No. 200000HO0050030 | 1.0 MI W. of Md RTE 29 | 1981 | Culvert | 27 ft | 10,927 | Fair |
| Broken Land Parkwa over Trib to Little Patuxent No. 200000HO0270030 | At Cradlerock Way | 1972 | Culvert | 49 ft | 10,830 | Poor |
| US 29 Ramp D(1) over US 29 No. 100000130128010 | 1.77 Miles North of Md 32 | 1991 | Stringer/Multi-beam or Girder | 241 ft | 10,581 | Good |
| US 29 SB over Is 70 No. 100000130048012 | 0.44 Mile South of Md 99 | 1966 | Stringer/Multi-beam or Girder | 242 ft | 10,111 | Fair |
| Town & Country Bou over Sucker Branch No. 200000HO0083020 | 0.05 MI of Rodgers Ave | 1966 | Culvert | 29 ft | 10,030 | Fair |
| Md 32 Ramp 10 over US 1 No. 100000130110010 | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 9,852 | Fair |
| Leishear Road over Hammond Branch No. 200000HO0058020 | 0.2 MI N of Md RTE 216 | 1969 | Culvert | 27 ft | 9,330 | Fair |
| Rogers Avenue over Sucker Branch No. 200000HO0140020 | 0.4 MI N of US RTE 40 | 1988 | Culvert | 32 ft | 9,270 | Good |
| Centennial Lane over Clarks Creek No. 200000HO0024020 | 0.3 MI N Md RTE 108 | 1987 | Culvert | 31 ft | 9,265 | Fair |
| Columbia Road over Little Patuxent River No. 200000HO0137010 | 0.5 MI N of L. Patux Pkwy | 1987 | Stringer/Multi-beam or Girder | 159 ft | 8,650 | Good |
| Columbia Road over Plumtree Branch No. 200000HO0147030 | 0.8 Mi. North of Md. 108 | 1987 | Culvert | 49 ft | 8,641 | Poor |
| Guilford Road over Little Patuxent River No. 200000HO0131010 | 0.04 MI N Berger RD | 1982 | Stringer/Multi-beam or Girder | 334 ft | 8,593 | Good |
| Gorman Road over Is 95 No. 100000130074010 | 0.96 MI N of Md 216 | 1970 | Stringer/Multi-beam or Girder | 405 ft | 8,371 | Fair |
| Great Star Drive over Crickett Creek No. 200000HO0195010 | 1.0 Mile SE of Md 108 | 1997 | Stringer/Multi-beam or Girder | 77 ft | 8,359 | Fair |
| Md 103 over Deep Run No. 100000130041010 | 0.89 Mile South of US 1 | 1937 | Tee Beam | 40 ft | 8,191 | Fair |
| Triadelphia Road over Middle Patuxent River No. 200000HO0019010 | 1.2 MI S of Md RTE 144 | 1986 | Stringer/Multi-beam or Girder | 50 ft | 8,105 | Good |
| Md 32 Ramp B(2) over Guildford Road No. 100000130065010 | 0.06 Mile South of Is 95 | 1970 | Stringer/Multi-beam or Girder | 186 ft | 8,048 | Fair |
| Sanner Road over Trib. to Middle Patuxent No. 200000HO0108010 | 0.3 MI S Pindell School | 2003 | Stringer/Multi-beam or Girder | 61 ft | 7,735 | Good |
| Dorsey Run Road over Dorsey Run No. 200000HO0012010 | 0.5 MI S of Md RTE 175 | 1955 | Stringer/Multi-beam or Girder | 34 ft | 7,693 | Fair |
| Bethany Lane over Little Patuxent River No. 200000HO0048010 | 0.1 MI N of US RTE 40 | 2006 | Slab | 109 ft | 7,535 | Good |
| Ellicott Mills DR over Hudson Branch No. 200000HO0158020 | .01 MI N of Main Street | 2022 | Culvert | 24 ft | 7,514 | Good |
| Md 94 over Is 70 No. 100000130094010 | 0.40 Mile N of Md 144A | 1974 | Stringer/Multi-beam or Girder | 285 ft | 7,450 | Fair |
| Old Annapolis Road over Little Patuxent River No. 200000HO0025010 | 0.04 MI W CO 76 & Md 108 | 1987 | Stringer/Multi-beam or Girder | 86 ft | 7,285 | Fair |
| Hopkins/Gorman RD over US 29 No. 100000130154010 | Over US 29 | 2001 | Stringer/Multi-beam or Girder | 263 ft | 7,207 | Good |
| Tridelphia Road over Md 32 No. 100000130045010 | 4.30 MI W of Md 144 | 2020 | Stringer/Multi-beam or Girder | 164 ft | 7,200 | Good |
| Maple Lawn Bouleva over Triburaty to Hammond Bra No. 200000HO0208010 | 700 Ft S of J Hopkins RD | 2006 | Culvert | 22 ft | 7,155 | Fair |
| Maple Lawn Bouleva over Hammond Branch No. 200000HO0218030 | 1000 Ft S of J Hopkins RD | 2005 | Culvert | 32 ft | 7,155 | Fair |
| Foundry Street over Little Patuxent River No. 200000HO0075010 | 0.03 MI N of Gorman RD | 1975 | Stringer/Multi-beam or Girder | 163 ft | 7,073 | Good |
| Stevens Forest Roa over Little Patuxent River No. 200000HO0149010 | 0.1 MI E of US 29 | 1990 | Stringer/Multi-beam or Girder | 204 ft | 6,870 | Good |
| Montgomery Road over Is 95 No. 100000130051010 | 1.01 MI S of Is 895 | 1969 | Stringer/Multi-beam or Girder | 305 ft | 6,764 | Fair |
| Homewood Road over Middle Patuxent River No. 200000HO0026010 | 1 MI W of Md RTE 108 | 2000 | Stringer/Multi-beam or Girder | 108 ft | 6,656 | Good |
| Kerby Hill Rd. over Md 210 SB and Service RD No. 100000160307010 | 1.5 Mile South of I-495 | 2021 | Stringer/Multi-beam or Girder | 136 ft | 6,525 | Good |
| Folly Quarter RD over Middle Patuxent River No. 200000HO0020010 | 2.7 MI S of Md RTE 144 | 1922 | Arch - Deck | 60 ft | 6,403 | Fair |
| US 40 WB over Is 70 No. 100000130055010 | US 40 @ Is 70 | 1968 | Stringer/Multi-beam or Girder | 265 ft | 6,355 | Good |
| Lark Brown Road over Dorsey Run No. 200000HO0011010 | 0.04 MI W of Md RTE 108 | 1991 | Stringer/Multi-beam or Girder | 50 ft | 6,274 | Good |
| I-895 SB over B&o RR County Roads No. 300000HOY007012 | Milepost 0.65 | 1972 | Stringer/Multi-beam or Girder | 905 ft | 6,015 | Fair |
| Maryland Avenue over Tiber Branch No. 200000HO0130010 | At Main Street | 1955 | Tee Beam | 28 ft | 6,000 | Fair |
| Is 70 Ramp 6 over Terrapin Branch No. 100000130089020 | 0.06 Mile West of Md 32 | 1972 | Culvert | 32 ft | 5,972 | Fair |
| Md 99 over Davis Branch No. 100000130095030 | 0.4 M E of Taylor Farm RD | 1986 | Culvert | 27 ft | 5,971 | Fair |
| Old Columbia Pike over Tiber Hudson Branch No. 200000HO0132010 | 0.01 MI E of Main Street | 1997 | Box Beam or Girders - Multiple | 51 ft | 5,887 | Fair |
| Old Montgomery RD over Deep Run No. 200000HO0009010 | 0.5 MI S of Md RTE 103 | 2013 | Box Beam or Girders - Multiple | 59 ft | 5,840 | Good |
| Mayfield Avenue over Deep Run No. 200000HO0062010 | 0.2 MI W of Md RTE 103 | 1945 | Stringer/Multi-beam or Girder | 28 ft | 5,788 | Fair |
| Browns Bridge Road over Patuxent River No. 200000HO0021010 | 1.4 MI E of Md 650 | 1953 | Stringer/Multi-beam or Girder | 210 ft | 5,772 | Poor |
| I-895 NB over B&o RR County Roads No. 300000HOY007011 | Milepost 0.65 | 1972 | Stringer/Multi-beam or Girder | 946 ft | 5,530 | Fair |
| Ridge Road over US 29 Ramp H (4) No. 100000130015010 | 0.28 Mile East of US 29 | 1966 | Stringer/Multi-beam or Girder | 115 ft | 5,121 | Fair |
| I-895 SB over I-95 No. 300000HOY004010 | 0.90 Miles S of US 1 | 1973 | Stringer/Multi-beam or Girder | 519 ft | 5,055 | Fair |
| Shaker DR over Md 32 No. 100000130102010 | 0.75 MI N of Md 732 | 1981 | Stringer/Multi-beam or Girder | 428 ft | 5,031 | Good |
| Seneca Drive over US 29 and Ramp I(7) No. 100000130131010 | 0.65 Mile North of Md 32 | 1993 | Stringer/Multi-beam or Girder | 263 ft | 5,031 | Fair |
Structure types in Howard County
| Stringer/Multi-beam or Girder | 164 | 52.6% |
| Culvert | 82 | 26.3% |
| Slab | 22 | 7.1% |
| Arch - Deck | 15 | 4.8% |
| Girder and Floorbeam System | 11 | 3.5% |
| Box Beam or Girders - Multiple | 9 | 2.9% |
| Tee Beam | 8 | 2.6% |
| Frame | 1 | 0.3% |
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
- Harford County 276
- 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