Montgomery County, Pennsylvania bridges
Montgomery County has 830 bridges and culverts in the National Bridge Inventory, the oldest built in 1789. 96 (12%) are rated poor. The most common type is stringer/multi-beam or girder (34%).
- Bridges
- 830
- Good
- 32%
- Fair
- 57%
- Poor
- 12%
- 96 bridges
- Average age
- 56.8 yrs
- Posted or closed
- 51
Map of bridges in Montgomery County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Montgomery County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good32%(265)
Fair57%(469)
Poor12%(96)
When they were built
Busiest
- County Line Expway over Schuylkill River & NsrcGood150,726 vehicles/day
- County Line Expwy over South Trooper RoadGood150,726 vehicles/day
- County Line Expway over Schuylkill River TrailGood150,726 vehicles/day
- Pa Tpk (I-276) over Wissahickon CR DB-135WFair120,317 vehicles/day
- Pa Tpk (I-276) over Pennypack Cr.Good104,500 vehicles/day
Longest
- Fair
- Fair
- Fair
- Fair
- Fair
Oldest
- Trinity Lane over Gulph Mills CreekFairBuilt 1789
- Germantown Pike over Skippack CreekFairBuilt 1792
- Ridge Pike over Perkiomen CreekFairBuilt 1798
- Limekiln Pike over Sandy RunFairBuilt 1810
- Fair
All bridges in Montgomery County
Busiest first · showing 1–200 of 830| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| County Line Expway over Schuylkill River & Nsrc No. 000000000055816 | Betzwood Bridge 3366C03 | 2018 | Stringer/Multi-beam or Girder | 786 ft | 150,726 | Good |
| County Line Expwy over South Trooper Road No. 000000000056664 | W. Norriton 27J9/3366C3 | 2019 | Stringer/Multi-beam or Girder | 114 ft | 150,726 | Good |
| County Line Expway over Schuylkill River Trail No. 000000000056665 | W. Norriton 3366C03 | 2019 | Stringer/Multi-beam or Girder | 104 ft | 150,726 | Good |
| Pa Tpk (I-276) over Wissahickon CR DB-135W No. 000000000028180 | Near Fort Washington | 1954 | Stringer/Multi-beam or Girder | 248 ft | 120,317 | Fair |
| Pa Tpk (I-276) over Pennypack Cr. No. 000000000028195 | East of Willow Grove Intg | 1954 | Culvert | 26 ft | 104,500 | Good |
| Pa Tpk (I-276) over Br Pennypack Cr. No. 000000000028201 | South of Hatboro | 1954 | Culvert | 26 ft | 104,500 | Fair |
| Pa Tpk (I-276) over Br.Pennypack Cr. No. 000000000028202 | East of Hatboro | 1954 | Culvert | 40 ft | 104,500 | Fair |
| County Line Expway over Trout Creek No. 000000000027451 | Upp Merion 27J11/3366D5 | 1967 | Culvert | 26 ft | 103,544 | Fair |
| Mid-County Exwy. over Plymouth Creek No. 000000000027488 | Next Chemical Rd. 3368D04 | 1989 | Culvert | 26 ft | 100,836 | Fair |
| Mid-County Exwy. over Norfolk Southern No. 000000000027491 | Norristown Exit 25 29H10 | 1990 | Box Beam or Girders - Multiple | 87 ft | 100,836 | Fair |
| Pa Tpk (I-276) over SR 2017 No. 000000000028188 | Near Dresher | 1954 | Stringer/Multi-beam or Girder | 270 ft | 97,693 | Fair |
| Pa Tpk (I-276) over Pennypack Creek No. 000000000028192 | Willow Grove Interchange | 1954 | Culvert | 29 ft | 97,693 | Fair |
| Pa Tpk (I-276) over SR 0611 No. 000000000052510 | West of Willow Grove Intg | 2014 | Stringer/Multi-beam or Girder | 163 ft | 97,693 | Good |
| Schuylkill Expway. over Norfolk Southern No. 000000000027269 | Flat Rock Tunnel 36D10 | 1985 | Culvert | 100 ft | 96,360 | Fair |
| Schuylkill Expway. over North Gulph Road No. 000000000027220 | King of Prussia 3367-G07 | 1985 | Box Beam or Girders - Multiple | 162 ft | 94,751 | Fair |
| Schuylkill Exp-Way over Croton Road No. 000000000027233 | E. K of P 34E02/3366K8 | 1950 | Stringer/Multi-beam or Girder | 70 ft | 93,338 | Fair |
| Schuylkill Expway. over Belmont Avenue No. 000000000027276 | Belmont Ave Inter. 36G12 | 1952 | Stringer/Multi-beam or Girder | 156 ft | 93,104 | Fair |
| Schuylkill Expway. over Norfolk Southern No. 000000000027280 | Pencoyd Viaduct 3479E07 | 1952 | Stringer/Multi-beam or Girder | 1,490 ft | 93,104 | Fair |
| Schuylkill Expway. over Righters Ferry Road No. 000000000027285 | W.City AVE.INTERCH.40J01 | 1952 | Girder and Floorbeam System | 235 ft | 93,104 | Fair |
| Pa Tpk (I-276) over Pennypack Creek No. 000000000028197 | East of Willow Grove Intg | 1954 | Stringer/Multi-beam or Girder | 185 ft | 92,381 | Fair |
| Pa Tpk (ramp G) over SR 3053 No. 000000000028165 | Part of Mid-County Intg | 1991 | Stringer/Multi-beam or Girder | 135 ft | 90,561 | Fair |
| Patpk I476 Rp M&n over SR 3053; (LR145) No. 000000000028166 | Mid-County INTERCH.29J09 | 1992 | Stringer/Multi-beam or Girder | 181 ft | 90,561 | Fair |
| Schuylkill Expway. over LR46138&ARROWMINK Creek No. 000000000027255 | W. Consho. 3368-A10 | 1951 | Girder and Floorbeam System | 348 ft | 89,047 | Fair |
| Schuylkill Expway. over Waverly ROAD(T669) No. 000000000027263 | 2MI.WEST Gladwyne 35K06 | 1951 | Stringer/Multi-beam or Girder | 118 ft | 89,047 | Poor |
| Schuylkill Expway. over Mill Creek & Mill CR RD No. 000000000027264 | 1MI W.Gladwyne EXT.3471J3 | 1951 | Girder and Floorbeam System | 329 ft | 89,047 | Fair |
| Schuylkill Expway. over Hollow Road & Creek No. 000000000027266 | Gladwyne Exit 3478-K04 | 1951 | Stringer/Multi-beam or Girder | 245 ft | 89,047 | Fair |
| Pa Tpk (I-276) over Pioneer Road No. 000000000028200 | East of Hatboro | 1954 | Tee Beam | 31 ft | 88,801 | Fair |
| Pa 309 By-Pass over Pine Run No. 000000000027375 | N. of T-Pike 3257H09 | 1958 | Tee Beam | 56 ft | 88,044 | Fair |
| Pa Tpk (I-276) over SR 0263 No. 000000000028194 | East of Willow Grove Intg | 1954 | Stringer/Multi-beam or Girder | 160 ft | 85,801 | Fair |
| Pa Tpk (I-276) over SEPTA Rr. No. 000000000028196 | East of Willow Grove Intg | 1954 | Stringer/Multi-beam or Girder | 115 ft | 85,801 | Fair |
| Pa Tpk (I-276) over SEPTA RR No. 000000000028203 | East of Hatboro | 1954 | Stringer/Multi-beam or Girder | 203 ft | 85,801 | Fair |
| Pa Tpk (I-276) over SR 3003 No. 000000000028176 | Geo Washington Memorialpk | 1954 | Stringer/Multi-beam or Girder | 122 ft | 74,921 | Fair |
| Pa Tpk (I-276) over SR 0073 No. 000000000028179 | South of Fort Washington | 1954 | Frame | 73 ft | 74,921 | Fair |
| Pa Tpk (I-276) over SR 2018 Beth.Pike No. 000000000028181 | Near Fort Washington | 1954 | Stringer/Multi-beam or Girder | 160 ft | 74,921 | Fair |
| Pa Tpk (I-276) over SEPTA Rr. No. 000000000028182 | Near Fort Washington | 1954 | Stringer/Multi-beam or Girder | 169 ft | 74,921 | Fair |
| Pa Tpk (I-276) over Sandy Run No. 000000000028183 | Near Fort Washington | 1954 | Culvert | 54 ft | 74,921 | Fair |
| Pa Tpk (I-276) over US-309 No. 000000000028184 | West of Ft Washingtonintg | 2000 | Stringer/Multi-beam or Girder | 280 ft | 74,921 | Good |
| Pa TPK(I-276)RP Ab over Sandy Run No. 000000000028185 | Fort Washington Interchg | 1954 | Tee Beam | 40 ft | 74,921 | Good |
| Pa Tpk (I-276) over T-357 Narcissa Road No. 000000000028174 | East of Norristown Intg | 1954 | Other | 31 ft | 73,197 | Fair |
| Pa Tpk (I-276) over T-343 Butler Pike No. 000000000028175 | East of Norristown Intg | 1954 | Stringer/Multi-beam or Girder | 72 ft | 73,197 | Fair |
| Pa Tpk (ramp R) over SR 3053 (ramp K) No. 000000000028162 | Mid-Cty.Interch. 29H09 | 1991 | Box Beam or Girders - Multiple | 67 ft | 72,309 | Fair |
| Pottstown Expway. over Mingo Creek No. 000000000027427 | E. Royersf 3140G10 | 1976 | Culvert | 45 ft | 67,865 | Fair |
| Schuylkill Expway. over S.Gulph SEPTA Crk Lane No. 000000000027241 | Gulph Mills 3367-F10 | 1950 | Girder and Floorbeam System | 627 ft | 66,436 | Fair |
| Schuylkill Expway. over Matsonford Road No. 000000000027244 | 1MI.W.CONSHOHOCK. 35B05 | 1950 | Stringer/Multi-beam or Girder | 60 ft | 66,436 | Poor |
| Pa 309 By-Pass over Pa Turnpike Ramp Ab No. 000000000045313 | Fort Washington Int. | 2008 | Stringer/Multi-beam or Girder | 106 ft | 65,877 | Fair |
| Pa Tpk (I-476) over S.Br.Stony Creek No. 000000000028243 | Near Center Square | 1955 | Culvert | 24 ft | 65,329 | Fair |
| Pa Tpk (I-476) over N.Br.Stony Creek No. 000000000028245 | Near Center Square | 1955 | Culvert | 20 ft | 65,329 | Fair |
| Pa Tpk (I-476) over Towamencin Creek No. 000000000028253 | Near Lansdale | 1955 | Culvert | 26 ft | 65,329 | Good |
| Pa Tpk (I-476) over Br. Towamencin Crk No. 000000000028255 | Near Lansdale | 1955 | Culvert | 24 ft | 65,329 | Fair |
| Pa Tpk (I-476) over T-346 Jolly RD No. 000000000048841 | Near Arch Street RD | 2014 | Stringer/Multi-beam or Girder | 142 ft | 65,329 | Good |
| Pa Tpk (I-476) over T-377 N Wales RD No. 000000000048842 | Near W. Skippack Pike | 2014 | Stringer/Multi-beam or Girder | 128 ft | 65,329 | Good |
| Pa Tpk (I-476) over SR 0073 Skippack Pike No. 000000000048846 | Near N. Wales RD 3256-A02 | 2014 | Stringer/Multi-beam or Girder | 125 ft | 65,329 | Good |
| Pa Tpk (I-476) over T-369 Wentz RD No. 000000000048847 | Near Jolly RD | 2014 | Box Beam or Girders - Multiple | 63 ft | 65,329 | Good |
| Pa Tpk (I-476) over T-645 No. 000000000048848 | Near Mid-County Interchan | 2014 | Box Beam or Girders - Multiple | 50 ft | 65,329 | Good |
| Pa Tpk (I-476) over T-379 (berks Rd) No. 000000000052863 | West of North Wales | 2016 | Box Beam or Girders - Multiple | 57 ft | 65,329 | Good |
| Pa Tpk (I-476) over SR 2002 (schultz Rd) No. 000000000052864 | West of North Wales | 2016 | Box Beam or Girders - Multiple | 64 ft | 65,329 | Good |
| Pa Tpk (I-476) over T-403 (wambold Rd) No. 000000000053584 | N. of Landsdale Int. | 2014 | Stringer/Multi-beam or Girder | 65 ft | 65,329 | Good |
| Pa Tpk (I-476) over T-397 No. 000000000055770 | Near Lansdale Interchange | 2018 | Stringer/Multi-beam or Girder | 103 ft | 65,329 | Good |
| Pa Tpk (I-476) over S. Valley Forge RD No. 000000000055970 | 1.23 MI South of SR 22 | 2018 | Box Beam or Girders - Multiple | 72 ft | 65,329 | Good |
| Schuylkill Expway. over Ramp D No. 000000000027250 | West Conshohocken 35D04 | 1951 | Stringer/Multi-beam or Girder | 46 ft | 65,217 | Fair |
| Pa Tpk (I-76) over I-76 Ramps Ab No. 000000000028004 | Valley Forge Interchange | 2008 | Stringer/Multi-beam or Girder | 129 ft | 65,138 | Good |
| Pa Tpk (I-276) over Abrams Run No. 000000000028146 | Near King of Prussia | 1954 | Culvert | 37 ft | 65,138 | Fair |
| Pa Tpk (I-276) over SR 3029 LR46145 No. 000000000028148 | South of Bridgeport | 2008 | Stringer/Multi-beam or Girder | 145 ft | 65,138 | Good |
| Pa Tpk (I-276) over SR 3027 LR46137 No. 000000000028151 | South of Norristown | 2008 | Stringer/Multi-beam or Girder | 98 ft | 65,138 | Fair |
| Pa Tpk (I-276) over Trib. Diamond Run No. 000000000028152 | South of Norristown | 1954 | Culvert | 24 ft | 65,138 | Fair |
| Pa Tpk (I-276) over SR0023 SR3025 NSRR SEPTA No. 000000000028155 | East of Bridgeport | 1954 | Girder and Floorbeam System | 1,233 ft | 65,138 | Fair |
| Pa Tpk (I-276) over Nsrc & Diamond Run No. 000000000040869 | Near Norristown | 2000 | Stringer/Multi-beam or Girder | 154 ft | 65,138 | Good |
| Pa Tpk (I-276) over SR 3013 No. 000000000040870 | Near Norristown | 2000 | Stringer/Multi-beam or Girder | 91 ft | 65,138 | Fair |
| Pa Tpk (I-276 Eb) over SR0023 SR3025 NSRR SEPTA No. 000000000041242 | East of Bridgeport | 2000 | Stringer/Multi-beam or Girder | 1,233 ft | 65,138 | Good |
| Pa 309 By-Pass over Commerce Drive No. 000000000045303 | Fort Washington 3257H09 | 2008 | Stringer/Multi-beam or Girder | 251 ft | 63,453 | Good |
| Pa 309 By-Pass over Highland Avenue No. 000000000027383 | Upper Dublin 3257H07 | 1958 | Stringer/Multi-beam or Girder | 150 ft | 63,375 | Good |
| SR 309 Bypass over Loch Alsh Avenue No. 000000000027384 | Upper Dublin 3257H06 | 1958 | Stringer/Multi-beam or Girder | 140 ft | 63,375 | Good |
| Pa 309 By-Pass over Paper Mill Road No. 000000000027364 | Enfield 3369J04 | 1960 | Stringer/Multi-beam or Girder | 153 ft | 61,488 | Good |
| Pa 309 Bypass over Haws Lane No. 000000000027366 | Flourtown 31A10/3369J3 | 1960 | Stringer/Multi-beam or Girder | 148 ft | 61,488 | Fair |
| Easton RD 3258K4 over Pa Turnpike Ramp Ab No. 000000000027506 | Upper Moreland 3254K04 | 1953 | Tee Beam | 41 ft | 61,252 | Fair |
| Ramp L over Abrams Run No. 000000000041396 | .7MI. 422/202 34C1/3366H8 | 2003 | Box Beam or Girders - Multiple | 33 ft | 61,069 | Fair |
| Pottstown By-Pass over Porter Road No. 000000000027415 | Sanatoga 3139-C02 | 1966 | Stringer/Multi-beam or Girder | 46 ft | 59,904 | Fair |
| Pottstown By-Pass over Sprogles Run No. 000000000027416 | Sanatoga 3139C02 | 1965 | Culvert | 42 ft | 59,904 | Fair |
| Pottstown Expway over Sanatoga RD Sanatoga CR No. 000000000027417 | Sanatoga 3139G02 | 1965 | Stringer/Multi-beam or Girder | 333 ft | 59,904 | Poor |
| Pottstown By-Pass over Schuylkill River No. 000000000053230 | 2 Mi. E. PA100 3138K03 | 2016 | Stringer/Multi-beam or Girder | 1,225 ft | 59,904 | Good |
| Pottstown Bypass over Norfolk Southern No. 000000000056750 | L Pottsgrove 3139B03 | 2019 | Stringer/Multi-beam or Girder | 97 ft | 59,904 | Good |
| Pottstown By-Pass over N-S RR (m.P. 38.29) No. 000000000056751 | L Pottsgrove 3139C02 | 2019 | Stringer/Multi-beam or Girder | 222 ft | 59,904 | Good |
| Traffic Route 309 over Susquehanna Road No. 000000000027386 | Upper Dublin 3257H05 | 1958 | Stringer/Multi-beam or Girder | 224 ft | 59,007 | Good |
| SR 309 Bypass over Butler Pike No. 000000000027389 | Upper Dublin 3257H04 | 1958 | Stringer/Multi-beam or Girder | 148 ft | 59,007 | Good |
| Pa 309 By-Pass over Pennsylvania Ave./Septa No. 000000000045251 | Fort Wash. 3257H10 | 2008 | Stringer/Multi-beam or Girder | 275 ft | 58,794 | Fair |
| Pa 309 By-Pass over Branch Wissahickon Creek No. 000000000027368 | Enfield 3369H03 | 1958 | Arch - Deck | 42 ft | 58,495 | Good |
| Pa 309 By-Pass over Church Road No. 000000000027369 | ENFIELD@RT73 31A09/3369H2 | 1958 | Stringer/Multi-beam or Girder | 290 ft | 58,495 | Fair |
| Pa 309 By-Pass over Sandy Run / 3257-H10 No. 000000000027371 | Fort Washington 3257H10 | 1958 | Culvert | 44 ft | 58,495 | Fair |
| Pa 309 By-Pass over Camp Hill Road No. 000000000027372 | Fort Washington 3257-H10 | 1958 | Stringer/Multi-beam or Girder | 158 ft | 58,495 | Good |
| Mid-County Exwy.Sb over Schuylkill Exway;ramps No. 000000000027467 | Conshohocken INTER3367J10 | 1977 | Stringer/Multi-beam or Girder | 570 ft | 58,479 | Fair |
| Mid-County Exwy.Sb over Matsonford/Dehaven Rds. No. 000000000027471 | W. Conshohocken 3367J10 | 1976 | Stringer/Multi-beam or Girder | 256 ft | 58,479 | Fair |
| Mid-County Exwy-Sb over Balligomingo Rd/Gulph CR No. 000000000027472 | West Conshohocken 3367F09 | 1972 | Girder and Floorbeam System | 605 ft | 58,479 | Fair |
| Mid-County Exwy.Sb over Schuylkill R RD Nsrc No. 000000000027475 | W. Conshohocken 3367J08 | 1974 | Girder and Floorbeam System | 2,013 ft | 58,479 | Fair |
| Mid-County Exwy.Sb over Plymouth Creek;access RD No. 000000000027477 | Plymouth Twp. 3368A07 | 1974 | Stringer/Multi-beam or Girder | 424 ft | 58,479 | Fair |
| Mid-County Exwy.Sb over Brook Road No. 000000000027480 | Plymouth Township 3368A07 | 1974 | Box Beam or Girders - Multiple | 140 ft | 58,479 | Fair |
| Pa Tpk Ramp N&o over Pa Tpk (I-276) No. 000000000028171 | Mid-County Interchange | 1992 | Stringer/Multi-beam or Girder | 410 ft | 57,897 | Good |
| Mid-County Exwy-Nb over Schuylkill Exway;ramps No. 000000000027465 | Conshohocken INTER3367J10 | 1977 | Stringer/Multi-beam or Girder | 576 ft | 57,500 | Fair |
| Mid-County Exwy.Nb over Matsonford/Dehaven Rds. No. 000000000027469 | West Conshohocken 3367J10 | 1976 | Stringer/Multi-beam or Girder | 235 ft | 57,500 | Fair |
| Mid-County Exwy-Nb over Balligomingo Rd/Gulph CR No. 000000000027470 | West Conshohocken 3367J09 | 1972 | Girder and Floorbeam System | 605 ft | 57,500 | Fair |
| Mid-County Exwy.Nb over Schuylkill R Rds Nsrc No. 000000000027473 | W. Conshohocken 3367J08 | 1974 | Girder and Floorbeam System | 1,942 ft | 57,500 | Fair |
| Mid-County Exwy.Nb over Plymouth Creek;access RD No. 000000000027476 | Plymouth Twp. 3368A07 | 1974 | Stringer/Multi-beam or Girder | 316 ft | 57,500 | Fair |
| Mid-County Exwy.Nb over Brook Road No. 000000000027479 | Plymouth Township 3368A07 | 1974 | Box Beam or Girders - Multiple | 136 ft | 57,500 | Fair |
| Pa Tpk (I-276) over T-694 No. 000000000028159 | West of Norristown Intg | 2006 | Box Beam or Girders - Multiple | 78 ft | 55,966 | Fair |
| Pa Tpk (ramp G) over Ramp K No. 000000000028163 | Mid-Cty.Interch. 29H09 | 1991 | Box Beam or Girders - Multiple | 75 ft | 54,154 | Fair |
| SR 3053 Germant.Pk over Pa Tpk (I-276) No. 000000000028164 | SR 3053 Germantown Pike | 1954 | Girder and Floorbeam System | 105 ft | 54,025 | Fair |
| Schuylkill Expy WB over City Ave & Ramps F & B No. 000000000027294 | City Ave Interch 3479G09 | 1953 | Stringer/Multi-beam or Girder | 332 ft | 53,926 | Fair |
| Schuylkill Exprway over Abrams Run/Crow Creek No. 000000000027227 | K of Prussia 34C01/3366H7 | 1950 | Box Beam or Girders - Multiple | 30 ft | 52,925 | Fair |
| Mid-County Exwy.Nb over Chemical Road / 3368-C5 No. 000000000027483 | Plymouth Township 29G11 | 1974 | Stringer/Multi-beam or Girder | 196 ft | 52,298 | Fair |
| Pa 309 By-Pass over Waverly/Cemetery Rds. No. 000000000027362 | Cedarbrook 3370-C06 | 1960 | Stringer/Multi-beam or Girder | 144 ft | 52,154 | Good |
| Mid-County Exwy.Nb over Montgomery Avenue No. 000000000027462 | L. Merion 35A06 (3477-F2 | 1974 | Stringer/Multi-beam or Girder | 110 ft | 51,844 | Fair |
| Mid-County Exwy.Nb over Chemical ROAD/3368-D4 No. 000000000027487 | Sw.Of Tpk.Exit 25 29H10 | 1990 | Stringer/Multi-beam or Girder | 154 ft | 51,719 | Fair |
| Pa Tpk (I-476) over Br.Skippack CR;NB-151 No. 000000000028261 | N of Lansdale Interchange | 1955 | Culvert | 25 ft | 50,307 | Good |
| Pa Tpk (I-476) over Indian Creek No. 000000000028268 | West of Telford | 1955 | Culvert | 20 ft | 50,307 | Good |
| Pa Tpk (I-476) over Skippack Creek No. 000000000053586 | N. of Lansdale Int. | 2014 | Stringer/Multi-beam or Girder | 164 ft | 50,307 | Good |
| Pa Tpk (I-476) over Perkiomen Creek No. 000000000067712 | Perkiomen Creek Bridge | 2020 | Tee Beam | 427 ft | 50,307 | Good |
| Pa Tpk (I-476) over SR1007 LR46051 No. 000000000067784 | West of Souderton | 2017 | Stringer/Multi-beam or Girder | 96 ft | 50,307 | Good |
| Pa Tpk (I-476) over SR 1018 LR46038 No. 000000000067785 | West of Telford | 2020 | Box Beam or Girders - Multiple | 55 ft | 50,307 | Good |
| Pa Tpk (I-476) over T-400 No. 000000000067786 | W of Telford near Pa 563 | 2020 | Box Beam or Girders - Multiple | 33 ft | 50,307 | Good |
| Traffic Route 309 over Mckean Road & Path No. 000000000027393 | Spring House 3145F10 | 1958 | Stringer/Multi-beam or Girder | 128 ft | 49,832 | Good |
| PA-309 over Norristown Road No. 000000000046178 | 1.5 Mi. W. PA-152 3257F02 | 2010 | Box Beam or Girders - Multiple | 96 ft | 49,832 | Good |
| Mid-County Exwy.Sb over Chemical Road / 3368-D4 No. 000000000027489 | Sw.Of Tpk.Exit 25 3368D04 | 1990 | Stringer/Multi-beam or Girder | 184 ft | 49,117 | Fair |
| Mid-County Exwy.Sb over Montgomery Avenue No. 000000000027463 | L. Merion 35A06 (3477-F2 | 1974 | Stringer/Multi-beam or Girder | 110 ft | 48,871 | Fair |
| Mid-County Exwy.Sb over Chemical Road / 3368-C5 No. 000000000027484 | Plymouth Township 29G11 | 1974 | Stringer/Multi-beam or Girder | 202 ft | 48,794 | Fair |
| Ridge Pike over Mid-County Expressway No. 000000000027482 | Plymouth Township 29F12 | 1978 | Stringer/Multi-beam or Girder | 261 ft | 44,817 | Fair |
| Ridge PIKE/3368-B5 over Access Rd;plymouth Creek No. 000000000027770 | 1MI.NW of Butler 3368-B05 | 1977 | Stringer/Multi-beam or Girder | 175 ft | 44,817 | Fair |
| WB County Line Exp over North Gulph Road No. 000000000027453 | Valley Forge 27J12/3366D5 | 1966 | Stringer/Multi-beam or Girder | 210 ft | 43,626 | Poor |
| Pa Tpk Ramp Ab over Pa Tpk (I-276) No. 000000000028161 | Norristown Interchange | 1954 | Stringer/Multi-beam or Girder | 257 ft | 43,330 | Fair |
| Bethlehem Pike over W. Br. Neshaminy Creek No. 000000000027400 | S of Co. Line 3032J07 | 1934 | Tee Beam | 74 ft | 42,557 | Fair |
| EB County Line Exp over North Gulph Road No. 000000000027452 | Valley Forge 27J12/3366D5 | 1965 | Stringer/Multi-beam or Girder | 209 ft | 42,360 | Poor |
| Schuylkill Eway WB over Ramp K Eastbound No. 000000000027248 | Conshohocken INTER.35C05 | 1974 | Stringer/Multi-beam or Girder | 111 ft | 41,913 | Fair |
| Ramp D and H over Abrams Run No. 000000000041485 | Nr Vf Toll 34C01/3366H7 | 2002 | Box Beam or Girders - Multiple | 32 ft | 41,826 | Good |
| Schuylk Exwy (eb) over Ramp G from WB 76 No. 000000000027289 | City Line Interch. 40J01 | 1953 | Stringer/Multi-beam or Girder | 133 ft | 41,705 | Fair |
| Schuylkill Eway EB over City Line Ave & Ramp C No. 000000000027290 | City Line Interch 3479G09 | 1953 | Stringer/Multi-beam or Girder | 299 ft | 41,705 | Fair |
| Traffic Route 100 over Schuylkill Riv./River RD No. 000000000027296 | N. of 422 11D11/3138E2 | 1954 | Girder and Floorbeam System | 817 ft | 37,098 | Fair |
| Route 100 over Keystone Boulevard No. 000000000027297 | Pottstown 11D11/3138E01 | 1954 | Stringer/Multi-beam or Girder | 174 ft | 37,098 | Fair |
| Route 100 over High St. Norfolk South. No. 000000000027298 | Pottstown 3138E01 | 1954 | Stringer/Multi-beam or Girder | 455 ft | 37,098 | Fair |
| Ridge Pike over Norfolk Southern RR No. 000000000027911 | 3368-A4 Adc | 1936 | Stringer/Multi-beam or Girder | 60 ft | 36,517 | Poor |
| Ridge Pike over Norfolk Southern No. 000000000028031 | 300 SE I-276 Adc 3367-K4 | 1937 | Girder and Floorbeam System | 93 ft | 36,517 | Poor |
| Dekalb Pike over Branch Abrams RUN/3366K6 No. 000000000027332 | South Pa.Turnpike 28E13 | 1953 | Culvert | 25 ft | 35,332 | Fair |
| US202-SR0202 LR143 over Pa. Trnpk( I-276)/3366K6 No. 000000000044270 | Near King of P 28E13 | 2006 | Stringer/Multi-beam or Girder | 297 ft | 35,332 | Fair |
| Schuylkill Eway EB over Ramps R & N & X No. 000000000027249 | Conshohocken INTER.35D04 | 1975 | Stringer/Multi-beam or Girder | 133 ft | 34,872 | Fair |
| Pottstown Eway(wb) over Perkiomen Creek No. 000000000027446 | So. of Oaks 3365H1 | 1982 | Stringer/Multi-beam or Girder | 824 ft | 34,854 | Fair |
| Pottstown Bypass over Schuylkill River No. 000000000054571 | 3/4 Mile W. PA-100 3138B2 | 2017 | Stringer/Multi-beam or Girder | 926 ft | 34,699 | Good |
| Fayette Street over Schuykill River Nsrc No. 000000000027721 | Conshohocken 3368A09 | 1918 | Stringer/Multi-beam or Girder | 1,305 ft | 34,456 | Fair |
| Pa Tpk (ramp Ab) over Pa Tpk (I-276) No. 000000000028186 | Fort Washington Interchg | 1983 | Stringer/Multi-beam or Girder | 199 ft | 34,335 | Fair |
| Pottstown Eway(eb) over Lewis Road No. 000000000027428 | E Royersford 19D08/3252H1 | 1976 | Stringer/Multi-beam or Girder | 164 ft | 34,138 | Fair |
| P-Town X-Way (eb) over Mingo Road (T-433) No. 000000000027431 | U Providence 19E10/3252H2 | 1976 | Stringer/Multi-beam or Girder | 93 ft | 34,138 | Fair |
| P-Town X-Way (eb) over Old State Road No. 000000000027433 | U Providence 19F11/3252J3 | 1976 | Stringer/Multi-beam or Girder | 94 ft | 34,138 | Fair |
| Pottstown Ex (eb) over Trappe Road No. 000000000027435 | U. Providenc 3253-A03 | 1976 | Stringer/Multi-beam or Girder | 165 ft | 34,138 | Fair |
| P-Town X-Way (eb) over Pa 29 Collegeville Road No. 000000000027437 | Collegeville 3253D05 | 1976 | Stringer/Multi-beam or Girder | 215 ft | 34,138 | Fair |
| Pottstown Eway(eb) over Troutman Road No. 000000000027439 | N. of Oaks 27B01/3253E6 | 1984 | Stringer/Multi-beam or Girder | 174 ft | 34,138 | Fair |
| P-Town X-Way (eb) over Upper Indian Head Road No. 000000000027441 | N. of Oaks 27D3/3253H8 | 1984 | Stringer/Multi-beam or Girder | 159 ft | 34,138 | Good |
| P-Town X-Way (eb) over Egypt Road No. 000000000027443 | Oaks 27E5/3253J9 | 1982 | Stringer/Multi-beam or Girder | 131 ft | 34,138 | Fair |
| Pottstown Eway(wb) over Lewis Road No. 000000000027430 | E Royersford 19D08/3252H1 | 1976 | Stringer/Multi-beam or Girder | 164 ft | 33,727 | Fair |
| P-Town X-Way (wb) over Mingo Road (T-433) No. 000000000027432 | U Providence 19E10/3252H2 | 1976 | Stringer/Multi-beam or Girder | 93 ft | 33,727 | Fair |
| P-Town X-Way (wb) over Old State Road No. 000000000027434 | U Providence 19F11/3252J3 | 1976 | Stringer/Multi-beam or Girder | 94 ft | 33,727 | Fair |
| Pottstown Ex (wb) over Trappe Road No. 000000000027436 | Upper Providence 3253-A03 | 1976 | Stringer/Multi-beam or Girder | 165 ft | 33,727 | Fair |
| P-Town X-Way (wb) over Collegeville Road No. 000000000027438 | Collegeville 19K13/3253D5 | 1976 | Stringer/Multi-beam or Girder | 215 ft | 33,727 | Fair |
| Pottstown Eway(wb) over Troutman Road No. 000000000027440 | S. of Oaks 27B01/3253F6 | 1984 | Stringer/Multi-beam or Girder | 174 ft | 33,727 | Fair |
| P-Town X-Way (wb) over Upper Indian Head Road No. 000000000027442 | N. of Oaks 27D3/3253H8 | 1984 | Stringer/Multi-beam or Girder | 161 ft | 33,727 | Fair |
| P-Town X-Way (wb) over Egypt Road No. 000000000027444 | Oaks 27E5/3253J9 | 1982 | Stringer/Multi-beam or Girder | 131 ft | 33,727 | Fair |
| Pottstown Eway(eb) over Perkiomen Creek No. 000000000027445 | South of Oaks 27D08 | 1982 | Stringer/Multi-beam or Girder | 824 ft | 33,424 | Fair |
| Trooper Road over Pottstown Expressway No. 000000000027403 | Betzwood 27J9/3366C3 | 1974 | Stringer/Multi-beam or Girder | 295 ft | 33,208 | Fair |
| Old Welsh Road over Pennypack Creek No. 000000000027174 | Bethayres 32K7/3371J1 | 1968 | Box Beam or Girders - Multiple | 149 ft | 32,800 | Poor |
| Ramp M Was MCB-102 over SR 3007 No. 000000000028167 | Mid-County Interchange | 1992 | Stringer/Multi-beam or Girder | 201 ft | 32,775 | Fair |
| Ramp N Was MCB-104 over SR 3007 No. 000000000028168 | Mid-County Interchange | 1992 | Stringer/Multi-beam or Girder | 233 ft | 32,775 | Good |
| Pa Tpk (ramp H) over SR 3007 No. 000000000028169 | Mid-County Interchange | 1993 | Stringer/Multi-beam or Girder | 305 ft | 32,775 | Good |
| Belmont Avenue over Schuylkill River No. 000000000027916 | 450 Ft of SR 3045 | 1928 | Arch - Deck | 564 ft | 32,092 | Poor |
| Dekalb Pike over Schuylkill Expressway No. 000000000027326 | K of P 34B1/3366G7 | 1950 | Stringer/Multi-beam or Girder | 266 ft | 31,286 | Fair |
| Dekalb PIKE(US202) over Abrams Run No. 000000000043246 | At Gulph RD 34C01/3366H7 | 2003 | Culvert | 27 ft | 31,286 | Good |
| Germantown Pike over Branch Stony Creek No. 000000000027975 | Germantown-Pike 3255-H7 | 1975 | Stringer/Multi-beam or Girder | 70 ft | 30,412 | Fair |
| Schuylkill Eway WB over Ramps R N & X No. 000000000027252 | Conshohocken INTER.35D04 | 1975 | Stringer/Multi-beam or Girder | 135 ft | 30,345 | Fair |
| Easton Road over Branch Pennypack Creek No. 000000000027503 | T-P Inter. 3259-A05 | 1959 | Tee Beam | 22 ft | 30,266 | Fair |
| Easton Road over Branch Pennypack Creek No. 000000000027505 | S.Turnpike Inter. 3259A05 | 1959 | Tee Beam | 30 ft | 30,266 | Fair |
| Germantown Pike over Plymouth Creek / 3368-E4 No. 000000000027766 | Germantown Pike | 1962 | Slab | 29 ft | 30,162 | Fair |
| Bethlehem Pike over W. Br. Neshaminy Creek No. 000000000027399 | S. Co. Line 3032K8 | 1934 | Tee Beam | 25 ft | 30,106 | Poor |
| Easton Road over Pennypack Creek No. 000000000027507 | N.Turnpike INTERC.3258K02 | 1959 | Tee Beam | 32 ft | 30,060 | Fair |
| Old York Road over SEPTA No. 000000000027501 | ABINGTON;JENKINTWN.3370K4 | 1905 | Stringer/Multi-beam or Girder | 115 ft | 29,145 | Poor |
| Pottstown Eway(eb) over Limerick Center Road No. 000000000027420 | Limerick Twp 18K01/3140B4 | 1984 | Stringer/Multi-beam or Girder | 70 ft | 28,247 | Fair |
| Pottstown Ex (eb) over Lewis Road No. 000000000027422 | Limerick Int. 18K3/3140C6 | 1976 | Stringer/Multi-beam or Girder | 208 ft | 28,247 | Good |
| P-Town X-Way (eb) over Royersford Road No. 000000000027425 | N Royersford 3140F09 | 1976 | Box Beam or Girders - Multiple | 121 ft | 28,247 | Fair |
| Dekalb Pike over Branch Stony Creek No. 000000000027339 | N of Pa 73 22H12/3256D4 | 1922 | Slab | 22 ft | 27,592 | Fair |
| New US 202 over Schuyl.Riv Nsrc PA23 Sep No. 000000000027726 | Dannehower Bridge 3367D03 | 1968 | Girder and Floorbeam System | 2,643 ft | 27,507 | Fair |
| Markley Street over Stony Creek No. 000000000068088 | .1 Mi. N. Main ST 3367E02 | 2021 | Stringer/Multi-beam or Girder | 115 ft | 27,507 | Good |
| Pottstown Exwy(wb) over Limerick Center Road No. 000000000027421 | Limerick Twp 18K01/3140B4 | 1984 | Stringer/Multi-beam or Girder | 70 ft | 27,405 | Fair |
| Pottstown Ex (wb) over Lewis Road No. 000000000027423 | Limerick Int. 19A3/3140C6 | 1976 | Stringer/Multi-beam or Girder | 208 ft | 27,405 | Good |
| P-Town X-Way (wb) over Royersford Road No. 000000000027426 | N Royersford 3140F09 | 1976 | Box Beam or Girders - Multiple | 121 ft | 27,405 | Fair |
| Markley/Elm Street over Stony Creek No. 000000000028226 | 0.4 MI W US-202 N 3367-E1 | 1878 | Arch - Deck | 69 ft | 27,202 | Poor |
| Route 100 over Manatawny Creek No. 000000000027299 | Pottstown 11D9/3026E10 | 1958 | Stringer/Multi-beam or Girder | 389 ft | 26,919 | Fair |
| Traffic Route 100 over Manatawny Street No. 000000000027300 | Pottstown 3026-E09 | 1958 | Stringer/Multi-beam or Girder | 130 ft | 26,919 | Fair |
| Traffic Route 100 over Pine Ford Road (local) No. 000000000027301 | Halfway House 3026G5 | 1964 | Box Beam or Girders - Multiple | 38 ft | 26,919 | Fair |
| Ridge Pike over Spring Mill Creek No. 000000000055684 | West of Joshua RD | 1996 | Culvert | 22 ft | 26,509 | Good |
| Germantown Pike over Saw Mill Creek No. 000000000027977 | 1 MI SW of SR 0202 29F06 | 1971 | Slab | 27 ft | 26,355 | Fair |
| Limekiln Pike over SEPTA No. 000000000027312 | Abington Twp.Line 3370D03 | 1959 | Stringer/Multi-beam or Girder | 75 ft | 25,856 | Good |
| Germantown Pike over Branch Stony Creek No. 000000000027961 | 0.1 MI W SR202 3255-K8 | 1962 | Slab | 32 ft | 25,609 | Fair |
| Huntingdon Pike over SEPTA No. 000000000027348 | Bethayres 3371J01 | 1936 | Stringer/Multi-beam or Girder | 126 ft | 25,373 | Fair |
| Pa Tpk (I-476) over Lr 46154; SR 3001 No. 000000000048850 | Norristown | 2014 | Stringer/Multi-beam or Girder | 120 ft | 25,172 | Good |
| Pa Tpk (I-476) over SEPTA RR No. 000000000052459 | Near Center Square | 2014 | Stringer/Multi-beam or Girder | 93 ft | 25,172 | Good |
| Dekalb Pike over Wissahickon Creek No. 000000000068981 | 1MI.N.MONT CO Cc 3144H10 | 2022 | Box Beam or Girders - Multiple | 75 ft | 25,079 | Good |
| PA-309 Bypass over Bethlehem Pike No. 000000000046179 | 3/4 Mi. S. PA-63 3145E09 | 2010 | Stringer/Multi-beam or Girder | 162 ft | 24,972 | Good |
Structure types in Montgomery County
| Stringer/Multi-beam or Girder | 283 | 34.1% |
| Box Beam or Girders - Multiple | 177 | 21.3% |
| Culvert | 132 | 15.9% |
| Arch - Deck | 73 | 8.8% |
| Slab | 60 | 7.2% |
| Tee Beam | 52 | 6.3% |
| Girder and Floorbeam System | 33 | 4.0% |
| Frame | 9 | 1.1% |
| Truss - Thru | 7 | 0.8% |
| Box Beam or Girders - Single or Spread | 2 | 0.2% |
| Arch - Thru | 1 | 0.1% |
| Other | 1 | 0.1% |
Other counties in Pennsylvania
- Adams County 254
- Allegheny County 1,296
- Armstrong County 259
- Beaver County 296
- Bedford County 418
- Berks County 667
- Blair County 338
- Bradford County 400
- Bucks County 695
- Butler County 374
- Cambria County 285
- Cameron County 63
- Carbon County 134
- Centre County 366
- Chester County 682
- Clarion County 172
- Clearfield County 294
- Clinton County 212
- Columbia County 272
- Crawford County 401
- Cumberland County 365
- Dauphin County 448
- Delaware County 389
- Elk County 126
- Erie County 444
- Fayette County 419
- Forest County 72
- Franklin County 292
- Fulton County 159
- Greene County 306
- Huntingdon County 239
- Indiana County 301
- Jefferson County 201
- Juniata County 169
- Lackawanna County 361
- Lancaster County 801
- Lawrence County 266
- Lebanon County 229
- Lehigh County 378
- Luzerne County 458
- Lycoming County 485
- McKean County 226
- Mercer County 437
- Mifflin County 196
- Monroe County 316
- Montour County 108
- Northampton County 354
- Northumberland County 298
- Perry County 184
- Philadelphia County 587
- Pike County 158
- Potter County 206
- Schuylkill County 369
- Snyder County 163
- Somerset County 455
- Sullivan County 118
- Susquehanna County 286
- Tioga County 431
- Union County 164
- Venango County 189
- Warren County 218
- Washington County 655
- Wayne County 257
- Westmoreland County 618
- Wyoming County 139
- York County 566