Girder and Floorbeam System bridges in Maryland
Main girders along the bridge with transverse floorbeams carrying the deck, typical of larger steel bridges. Maryland has 81 of them, 1.5% of its bridges. Nationally this type accounts for 0.8% of all bridges.Compare states for this type.
- Girder and Floorbeam System bridges
- 81
- Poor condition
- 12%
- 10 bridges
- Average age
- 59.8 yrs
- Combined length
- 7 mi
Busiest girder and floorbeam system bridges in Maryland
Top 81 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| Is 495 over Potomac River No. 100000150100010 | Montgomery County | On Virginia Line | 1963 | Girder and Floorbeam System | 1,443 ft | 239,022 | Fair |
| I-83 over Mta and Jones Falls No. 200000BC3113010 | Baltimore city | 1.1 MI S of Cold Spring L | 1959 | Girder and Floorbeam System | 781 ft | 120,795 | Fair |
| Is 270Y Hov Ramp over Is 270Y Median No. 100000150182010 | Montgomery County | At Westlake Terrace | 2003 | Girder and Floorbeam System | 505 ft | 114,000 | Good |
| Is 70 Ebr over Patapsco River CSX Tran No. 100000030229013 | Baltimore County | On Howard CO Line | 1965 | Girder and Floorbeam System | 827 ft | 89,503 | Fair |
| Is 70 Wbr over Patapsco River CSX Tran No. 100000030229014 | Baltimore County | On Howard CO Line | 1965 | Girder and Floorbeam System | 783 ft | 89,503 | Fair |
| Md 32 WB over Little Patuxent River No. 100000130105010 | Howard County | 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 | Howard County | 0.23 M S of Shaker Drive | 1981 | Girder and Floorbeam System | 444 ft | 81,712 | Good |
| Md 32 EB over US 1 No. 100000130108013 | Howard County | 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 | Howard County | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 80,612 | Fair |
| Is 370 Ebr over Crabbs Branch Way No. 100000150150013 | Montgomery County | 5.84 Mile West of Md 355 | 2010 | Girder and Floorbeam System | 89 ft | 78,741 | Good |
| US 29 over Patuxent River No. 100000150034010 | Montgomery County | On Howard CO Line | 1954 | Girder and Floorbeam System | 524 ft | 57,304 | Fair |
| Is 195 over Md 170 No. 100000020025010 | Anne Arundel County | 1.07 MI S of Md 295 | 1998 | Girder and Floorbeam System | 120 ft | 56,601 | Good |
| Is 68 over Wills Creek CSX RR Mun No. 100000010096010 | Allegany County | 3 Mi. Sw. of US 220 | 1968 | Girder and Floorbeam System | 3,182 ft | 53,950 | Fair |
| Shady Grove Road over Is 370 No. 100000150149010 | Montgomery County | 2.43 Mi. E. of I-270 | 1989 | Girder and Floorbeam System | 221 ft | 53,010 | Good |
| US 29 Sbr over Md 198 No. 100000150183012 | Montgomery County | 1.53 M S of Howard CO Lne | 2002 | Girder and Floorbeam System | 215 ft | 49,203 | Good |
| Md 2 over US 50/301 & Md 450 No. 100000020100010 | Anne Arundel County | 0.4 Mile South of Md 648F | 1953 | Girder and Floorbeam System | 384 ft | 46,541 | Fair |
| Rolling Road over CSX Transportation No. 100000030101010 | Baltimore County | .26 Mi. N. of I-95 & US 1 | 1931 | Girder and Floorbeam System | 100 ft | 39,381 | Fair |
| US 13 NB over Norfolk Southern RR No. 100000220031011 | Wicomico County | 0.39 Mile North of Md 346 | 1972 | Girder and Floorbeam System | 135 ft | 36,390 | Fair |
| US 13 SB over Norfolk Southern RR No. 100000220031012 | Wicomico County | 0.39 Mile North of Md 346 | 1972 | Girder and Floorbeam System | 135 ft | 36,390 | Good |
| Md 85 over Is 70 No. 100000100195010 | Frederick County | At Is 70 | 2009 | Girder and Floorbeam System | 172 ft | 35,962 | Good |
| Md 175 Wbr over Snowden River Parkway No. 100000130153014 | Howard County | 0.84 Mile West of Md 108 | 2001 | Girder and Floorbeam System | 225 ft | 32,168 | Good |
| Md 355 over Great Seneca Creek No. 100000150055010 | Montgomery County | 1.32 Miles N of Md 124 | 1999 | Girder and Floorbeam System | 288 ft | 31,050 | Good |
| Md 175 Ebr over Snowden River Parkway No. 100000130153013 | Howard County | 0.84 Mile West of Md 108 | 2001 | Girder and Floorbeam System | 225 ft | 30,855 | Good |
| US 15 Nbr over Md 15C No. 100000100181011 | Frederick County | 0.77 Mile South of Md 77 | 1985 | Girder and Floorbeam System | 114 ft | 30,800 | Good |
| US 15 Sbr over Md 15C No. 100000100181012 | Frederick County | 0.77 Mile South of Md 77 | 1985 | Girder and Floorbeam System | 114 ft | 30,800 | Good |
| US 15 Sbr over Md 77 Hunting Creek No. 100000100179010 | Frederick County | 0.46 Mile South of Md 15D | 1985 | Girder and Floorbeam System | 270 ft | 30,410 | Fair |
| US 13 Bus NB over Norfolk Southern RR No. 100000220003011 | Wicomico County | 1.0 Mile North of US 50BU | 1930 | Girder and Floorbeam System | 167 ft | 29,484 | Fair |
| US 13 Bus SB over Norfolk Southern RR No. 100000220003012 | Wicomico County | 1.0 Mile North of US 50BU | 1951 | Girder and Floorbeam System | 180 ft | 29,484 | Fair |
| Md 4 over Patuxent River & Town CR No. 100000040019010 | Calvert County | On ST Marys CO Line | 1977 | Girder and Floorbeam System | 7,207 ft | 28,338 | Fair |
| Is 68 Ebr over Md 55 No. 100000010115013 | Allegany County | 1.53 MI E of Md 36 | 1973 | Girder and Floorbeam System | 755 ft | 26,410 | Fair |
| Is 68 Wbr over Md 55 No. 100000010115014 | Allegany County | 1.53 Mile East of Md 36 | 1973 | Girder and Floorbeam System | 748 ft | 26,410 | Fair |
| Md 198 over Branch of Little Patuxen No. 100000020177010 | Anne Arundel County | 1.89 M E of Md 295 | 1940 | Girder and Floorbeam System | 78 ft | 25,492 | Fair |
| Md 202 NB over AMTRAK WMATA No. 100000160029011 | Prince George's County | 0.08 Mile South of US 50 | 1959 | Girder and Floorbeam System | 217 ft | 23,901 | Fair |
| Md 202 SB over AMTRAK WMATA No. 100000160029012 | Prince George's County | 0.08 Mile South of US 50 | 1942 | Girder and Floorbeam System | 217 ft | 23,901 | Fair |
| US 40 Orleans Str over I-83 and City Streets No. 200000BC1202010 | Baltimore city | 0.2 MI W of Is 83 | 1936 | Girder and Floorbeam System | 1,728 ft | 23,831 | Poor |
| Md 174 over AMTRAK No. 100000020075010 | Anne Arundel County | 0.71 Mile South of Md 170 | 1931 | Girder and Floorbeam System | 79 ft | 19,339 | Fair |
| US 1 Alt over US1 Nbr AMTRAK Herbert No. 100000030011010 | Baltimore County | 1.40 MI S of Is 695 | 1936 | Girder and Floorbeam System | 540 ft | 19,195 | Fair |
| Md 543 over US 40 CSX Railroad No. 100000120082010 | Harford County | 1.17 Miles South of Md 7 | 1995 | Girder and Floorbeam System | 380 ft | 17,981 | Good |
| Md 32 Ramp 9 over US 1 No. 100000130109010 | Howard County | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 15,788 | Fair |
| Upper Level Roadwa over Lower Level Roadway No. 300000AAMA25010 | Anne Arundel County | Bwi Airport | 2006 | Girder and Floorbeam System | 1,082 ft | 15,230 | Fair |
| Md 121 over Is 270 No. 100000150038010 | Montgomery County | 0.64 Mile South of Md 355 | 1997 | Girder and Floorbeam System | 295 ft | 13,714 | Good |
| Md 7 over CSX Trans. No. 100000120007010 | Harford County | 0.34 Mile South of US 40 | 1993 | Girder and Floorbeam System | 135 ft | 12,210 | Good |
| Md 717 over Western Branch No. 100000160109010 | Prince George's County | 0.13 Mile North of Md 4 | 1900 | Girder and Floorbeam System | 43 ft | 11,061 | Fair |
| Abingdon Road over CSX Railroad No. 200000H-0169010 | Harford County | 0.1 Miles N of US 40 | 1940 | Girder and Floorbeam System | 199 ft | 10,242 | Poor |
| Md 32 Ramp 10 over US 1 No. 100000130110010 | Howard County | 1.50 Miles N of Aa CO | 1983 | Girder and Floorbeam System | 222 ft | 9,852 | Fair |
| Md 408 over Md 4 No. 100000020220010 | Anne Arundel County | 0.15 Mile West of Md 794 | 1993 | Girder and Floorbeam System | 220 ft | 8,412 | Fair |
| Entrance/Exit Plaz over Daily Parking Garage No. 300000AAMA20010 | Anne Arundel County | Bwi Daily Garage | 2003 | Girder and Floorbeam System | 547 ft | 7,142 | Fair |
| Joppa Road over Md 139 No. 100000030079010 | Baltimore County | 2.76 MI S of Is 695 | 1958 | Girder and Floorbeam System | 293 ft | 7,031 | Fair |
| Kerby Hill Road over Carey Branch No. 100000160309010 | Prince George's County | 1.5 Mile South of I-495 | 2021 | Girder and Floorbeam System | 75 ft | 6,525 | Good |
| Md 17 over CSX Trans. Potomac Mun No. 100000100024010 | Frederick County | On Virginia Line | 1953 | Girder and Floorbeam System | 2,430 ft | 6,073 | Fair |
| Md 39 over CSX Transportation No. 100000110004010 | Garrett County | 0.05 Mile West of US 219 | 1994 | Girder and Floorbeam System | 77 ft | 5,671 | Fair |
| Md 159 over Cranberry Run No. 100000120039010 | Harford County | 0.22 Mile South of US 40 | 2008 | Girder and Floorbeam System | 63 ft | 4,980 | Good |
| Vollmerhausen Road over Little Patuxent River No. 200000HO0015010 | Howard County | 0.2 MI W of Guilford RD | 1940 | Girder and Floorbeam System | 62 ft | 4,932 | Fair |
| Monroe Street over Truck Street No. 200000M-R-14010 | Montgomery County | 0.16 Miles North of Md 28 | 1996 | Girder and Floorbeam System | 170 ft | 3,663 | Fair |
| Md 121 over Little Seneca Lake No. 100000150021010 | Montgomery County | 0.39 Mile North of Md 117 | 1984 | Girder and Floorbeam System | 537 ft | 3,571 | Fair |
| Chesaco Avenue over CSX Railroad No. 200000B-0106010 | Baltimore County | 0.2 MI S US RTE 40 | 1957 | Girder and Floorbeam System | 152 ft | 3,260 | Fair |
| Frederick Avenue over AMTRAK No. 200000BC9013010 | Baltimore city | At JCT With Hilton St. | 1925 | Girder and Floorbeam System | 100 ft | 2,270 | Fair |
| Long Green Road over Long Green Creek No. 200000B-0042010 | Baltimore County | 100 Ft W Long Green Pike | 1970 | Girder and Floorbeam System | 31 ft | 1,621 | Fair |
| Mohrs Lane over CSX Railroad No. 200000B-0143010 | Baltimore County | 0.1 MI NW of US RTE 40 | 1912 | Girder and Floorbeam System | 145 ft | 1,600 | Poor |
| Victory Post Drive over Georges Creek No. 100000010055010 | Allegany County | 0.04 MI N of Md 937 | 1950 | Girder and Floorbeam System | 78 ft | 1,599 | Fair |
| Md 383 over Catoctin Creek No. 100000100087010 | Frederick County | 1.52 Miles N of Md 180 | 1953 | Girder and Floorbeam System | 206 ft | 1,550 | Fair |
| Pfefferkorn Road over Middle Patuxent River No. 200000HO0031010 | Howard County | 1 MI S of Md RTE 144 | 1935 | Girder and Floorbeam System | 36 ft | 1,454 | Poor |
| Roberts Mill Road over Maryland Midland Railway No. 300000CLMT01010 | Carroll County | 0.1 MI SE of Md 194 | 1929 | Girder and Floorbeam System | 51 ft | 1,105 | Fair |
| Dustin Road over US 29 No. 100000150185010 | Montgomery County | 0.05 M E of Columbia Pike | 2003 | Girder and Floorbeam System | 211 ft | 999 | Good |
| Cearfoss Pike over Conococheague Creek No. 100000210153010 | Washington County | 0.85 MI SE of Pa Line | 1977 | Girder and Floorbeam System | 570 ft | 999 | Fair |
| Dairy Road over Little Falls No. 200000B-0034010 | Baltimore County | 0.3 MI W of York RD | 1900 | Girder and Floorbeam System | 54 ft | 521 | Good |
| High Bridge Road over Townsend/Centreville RR No. 300000Q-MT01010 | Queen Anne's County | 0.5 Miles East of Md 313 | 1914 | Girder and Floorbeam System | 91 ft | 500 | Poor |
| Sang Run Road over Youghiogheny River No. 200000G-0064010 | Garrett County | 0.4 M SW Oakland Sang Run | 1955 | Girder and Floorbeam System | 223 ft | 402 | Poor |
| Mantua Mill Road over Deadman Run No. 200000B-0043010 | Baltimore County | 0.7 MI N of Tufton Ave | 1930 | Girder and Floorbeam System | 45 ft | 388 | Poor |
| Clipper Mill Road over Prettyboy Reservoir No. 200000BC6519010 | Baltimore County | 0.3 MI E Gunpowder RD | 1931 | Girder and Floorbeam System | 376 ft | 311 | Poor |
| Pocock Road over Little Gunpowder Falls No. 200000B-0011010 | Baltimore County | 0.6 MI E Hess Road | 1978 | Girder and Floorbeam System | 53 ft | 230 | Fair |
| Dam #4 Road over C&o Canal No. 3100008P0000000 | Washington County | 0.9 Miles from Dam #4 on | 1971 | Girder and Floorbeam System | 54 ft | 212 | Good |
| Kidds Schoolhouse over Prettyboy Reservoir No. 200000BC6518010 | Baltimore County | 0.7 MI E Beckleys RD | 1932 | Girder and Floorbeam System | 250 ft | 127 | Fair |
| Cumberland Street over CSXT Railroad No. 200000A-C-09010 | Allegany County | 0.6 MI E of Washington ST | 1929 | Girder and Floorbeam System | 155 ft | 110 | Poor |
| New Valley Road over Basin Run No. 200000CE0087010 | Cecil County | 0.03 MI N of Basin Run RD | 1977 | Girder and Floorbeam System | 86 ft | 110 | Fair |
| Fayette Street over CSXT Railroad No. 200000A-C-08010 | Allegany County | .08 MI W of Cumberland ST | 1885 | Girder and Floorbeam System | 46 ft | 109 | Poor |
| River Road over Tributary of Patapsco Ri No. 300000HONR01010 | Howard County | Patapsco Valley ST Park | 1997 | Girder and Floorbeam System | 42 ft | 100 | Fair |
| Spring Gap Access over C&o Canal No. 3100016P0000000 | Allegany County | 0.1 Miles from Spring Gap | 1969 | Girder and Floorbeam System | 39 ft | 72 | Fair |
| Pearre Road over Sideling Hill Creek No. 200000W-0211010 | Washington County | On Allegany CO Line | 1890 | Girder and Floorbeam System | 110 ft | 66 | Fair |
| Unnamed Road over Rattle Run No. 300000W-NR01010 | Washington County | 500FT N of Mooresville RD | 1997 | Girder and Floorbeam System | 30 ft | 10 | Good |
| Norman Balm Entran over Abandoned RR No. 300000F-MT01010 | Frederick County | 0.1MI NW of 1728 N Market | 1920 | Girder and Floorbeam System | 32 ft | 5 | Fair |
Counties with the most
| Baltimore County | 13 |
| Montgomery County | 11 |
| Howard County | 11 |
| Anne Arundel County | 7 |
| Allegany County | 7 |
| Frederick County | 7 |
| Wicomico County | 4 |
| Prince George's County | 4 |
| Harford County | 4 |
| Washington County | 4 |
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