US Bridges

Pennsylvania bridges

Pennsylvania reports 23,314 bridges and culverts across 67 counties. 2,813 (12.1%) are rated in poor condition, and 1,974 are posted with load limits or closed. The oldest structure still in the inventory dates from 1697.

Bridges
23,314
Counties
67
Good
34%
Fair
54%
Poor
12%
2,813 bridges
Average age
54.8 yrs

Find a bridge in Pennsylvania

Type at least two characters, or pick a condition or type, to search every bridge in the state.

Counties

Circle size reflects the number of bridges

Condition

12%poor
Good34%(8,019)
Fair54%(12,482)
Poor12%(2,813)

Counties with the highest share of poor bridges

Poor-condition bridgesFairGood

Structure types

Structure typeBridgesShare
Stringer/Multi-beam or Girder7,87833.8%
Box Beam or Girders - Multiple7,29431.3%
Culvert3,12713.4%
Tee Beam1,5496.6%
Slab1,1935.1%
Arch - Deck8863.8%
Girder and Floorbeam System4311.8%
Truss - Thru4151.8%
Frame2251.0%
Channel Beam1130.5%
Other730.3%
Box Beam or Girders - Single or Spread500.2%
Truss - Deck400.2%
Arch - Thru180.1%
Suspension110.0%
Segmental Box Girder50.0%
Movable - Bascule30.0%
Movable - Lift20.0%
Orthotropic10.0%

When Pennsylvania's bridges were built

<1900: 415 bridges415<19001900s: 478 bridges47819001910s: 619 bridges61919101920s: 1,082 bridges1.1k19201930s: 1,941 bridges1.9k19301940s: 1,168 bridges1.2k19401950s: 2,435 bridges2.4k19501960s: 3,523 bridges3.5k19601970s: 2,289 bridges2.3k19701980s: 1,843 bridges1.8k19801990s: 2,007 bridges2.0k19902000s: 1,922 bridges1.9k20002010s: 2,860 bridges2.9k20102020s: 732 bridges7322020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Interstate 95 over Orthodox-Pearce Street
    Philadelphia County · 280,088 vehicles/day
    Fair
  2. Interstate 95 over Margaret Str.And Conrail
    Philadelphia County · 280,088 vehicles/day
    Fair
  3. Interstate 95 over Tacony St.And Bridge St.
    Philadelphia County · 280,088 vehicles/day
    Poor
  4. Interstate 95 over Fraley Street
    Philadelphia County · 280,088 vehicles/day
    Poor
  5. Interstate 95 over Levick Street
    Philadelphia County · 280,088 vehicles/day
    Fair

Longest

  1. US 322 over Delaware River
    Bradford County · 13,915 ft
    Fair
  2. I-76 over I-676 SB I-95 & Del Riv
    Beaver County · 11,693 ft
    Fair
  3. Penrose Avenue over Schuylkill River & R.R.
    Philadelphia County · 8,780 ft
    Fair
  4. Route Nj 90 over Del. R R.Ave Con Nj Tr.
    Beaver County · 8,481 ft
    Fair
  5. I676 US30 Patco over Del Riv I-95 Rr&roads
    Beaver County · 8,170 ft
    Fair

Oldest

  1. Frankford Avenue over Pennypack Creek
    Philadelphia County · Built 1697
    Good
  2. Old Bethlehem Road over Cooks Creek
    Bucks County · Built 1777
    Fair
  3. Trinity Lane over Gulph Mills Creek
    Montgomery County · Built 1789
    Fair
  4. Germantown Pike over Skippack Creek
    Montgomery County · Built 1792
    Fair
  5. Centre Avenue over Newtown Creek
    Bucks County · Built 1796
    Fair

Newest

  1. Interstate 95 over Comly Street
    Philadelphia County · Built 2024
    Good
  2. Interstate 95 over Van Kirk Street
    Philadelphia County · Built 2024
    Good
  3. S.R. 0220 over SR 220
    Lycoming County · Built 2024
    Good
  4. SR 80-I 80 over SR 1010 Hubler Ridge RD
    Centre County · Built 2024
    Good
  5. SR 80-I 80 over SR 1010 Hubler Ridge RD
    Centre County · Built 2024
    Good

Who owns Pennsylvania's bridges

State15,59366.9%
Town / Township3,16413.6%
County2,59611.1%
City8723.7%
Toll Authority8283.6%
Railroad1470.6%
Federal700.3%
Local230.1%
Private210.1%

More Pennsylvania facts

Total bridge length573 miles
Total deck area144,929,509 sq ft
Culverts counted as bridges3,127 (13%)
On the National Highway System5,884
Posted with load limits1,681
Closed to traffic293
Listed or eligible for the National Register693
Average daily traffic per bridge7,169 vehicles
Newest structure2024