Total Bridges
14,867
Public highway bridges in Pennsylvania
State profile · Above median Poor share
Pennsylvania bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Pennsylvania, based on the FHWA National Bridge Inventory.
- 14,867
- Public bridges
- 37.4%
- Good condition
- 10.5%
- Poor condition
Data updated May 2026
Good Condition
37.4%
5,564 bridges rated 7-9
-12.6pp vs 50% benchmark
Poor Condition
10.5%
1,561 bridges whose lowest applicable component is rated 0-4
3.5pp vs national avg 7.0%
Pennsylvania vs national bridge condition
Pennsylvania - Good condition share 37.4%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Pennsylvania - Poor-condition share 35.0%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (67)
Adams 94 Allegheny 356 Armstrong 109 Beaver 84 Bedford 99 Berks 187 Blair 83 Bradford 114 Bucks 184 Butler 142 Cambria 67 Cameron 21 Carbon 29 Centre 183 Chester 285 Clarion 119 Clearfield 195 Clinton 147 Columbia 187 Crawford 263 Cumberland 239 Dauphin 283 Delaware 269 Elk 95 Erie 331 Fayette 341 Forest 51 Franklin 215 Fulton 97 Greene 209 Huntingdon 162 Indiana 214 Jefferson 140 Juniata 109 Lackawanna 212 Lancaster 509 Lawrence 162 Lebanon 221 Lehigh 255 Luzerne 307 Lycoming 301 McKean 166 Mercer 273 Mifflin 129 Monroe 214 Montgomery 608 Montour 74 Northampton 253 Northumberland 193 Perry 102 Philadelphia 584 Pike 108 Potter 145 Schuylkill 199 Snyder 106 Somerset 400 Sullivan 119 Susquehanna 284 Tioga 429 Union 163 Venango 189 Warren 217 Washington 655 Wayne 259 Westmoreland 619 Wyoming 140 York 569
Pennsylvania vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Pennsylvania on the same metric.
MI
Michigan
8.92% top marginal rate
AK
Alaska
10.12% top marginal rate
PA
Pennsylvania
10.50% top marginal rate
ND
North Dakota
10.84% top marginal rate
LA
Louisiana
11.00% top marginal rate
Bridges Needing Most Attention in Pennsylvania
Six lowest-condition bridges in Pennsylvania, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
SR0286
PoorOver: KISKIMINETAS RIVER
SALTSBURG, Indiana, PA
Built 1985 Load: 0.9 t ADT: 4,169
T-783 HARRIS HILL
PoorOver: TOBYS CREEK
100 FT NE OF SR 309, Luzerne, PA
Built 1920 Load: 0.9 t ADT: 220
BRIDGE 2805,T-303
PoorOver: OVER SHENANGO RIVER TRIB
HEASLEY RD SHENANGO TWP, Mercer, PA
Built 1922 Load: 0.9 t ADT: 89
SR 3014
PoorOver: LAUREL HILL CREEK
BARRONVALE, Somerset, PA
Built 1962 Load: 0.9 t ADT: 167
Clark Street
PoorOver: Fallen Timber Run
Clark St, Hooversville, Somerset, PA
Built 1910 Load: 0.9 t ADT: 100
SR 4012
PoorOver: LOYALSOCK CREEK
BORO OF FORKSVILLE, Sullivan, PA
Built 1850 Load: 0.9 t ADT: 137
All Bridges in Pennsylvania
SR 0070
UnknownOver: SR 0231
CLAYSVILLE BOROUGH, Washington, PA
Built 1960 ADT: 1,883
SR 0070
UnknownOver: RAILROAD STREET (T-907)
DONEGAL TOWNSHIP, Washington, PA
Built 1960 ADT: 100
SR 0070
UnknownOver: SR 0231
CLAYSVILLE BOROUGH, Washington, PA
Built 1960 ADT: 1,883
SR 0070
UnknownOver: SR 3017 & BR. DUTCH FORK
DONEGAL TOWNSHIP, Washington, PA
Built 1960 ADT: 202
SR 0070
UnknownOver: SR 3017 & BR. DUTCH FORK
DONEGAL TOWNSHIP, Washington, PA
Built 1960 ADT: 202
TOWNSHIP ROAD 472
UnknownOver: SR 0070
BUFFALO TOWNSHIP, Washington, PA
Built 1960 ADT: 13,818
SR 0070
UnknownOver: SR 3009 & BUFFALO CREEK
BUFFALO TOWNSHIP, Washington, PA
Built 1960 ADT: 246
SR 0070
UnknownOver: SR 3009 & BUFFALO CREEK
BUFFALO TOWNSHIP, Washington, PA
Built 1960 ADT: 246
SR 3047 (T-474)
UnknownOver: SR 0070
BUFFALO TOWNSHIP, Washington, PA
Built 1960 ADT: 13,818
SR 0070
UnknownOver: SR 0221
BUFFALO TOWNSHIP, Washington, PA
Built 1960 ADT: 4,126
SR 0070
UnknownOver: SR 0221
BUFFALO TOWNSHIP, Washington, PA
Built 1960 ADT: 4,126
SR 0070
UnknownOver: TOWNSHIP ROAD 532
NORTH FRANKLIN TOWNSHIP, Washington, PA
Built 1960 ADT: 150
SR 0070
UnknownOver: TOWNSHIP ROAD 532
NORTH FRANKLIN TOWNSHIP, Washington, PA
Built 1960 ADT: 150
TOWNSHIP ROAD 505
UnknownOver: SR 0070
NORTH FRANKLIN TOWNSHIP, Washington, PA
Built 1960 ADT: 15,181
SR 0070
UnknownOver: SR 0040
NORTH FRANKLIN TOWNSHIP, Washington, PA
Built 1960 ADT: 7,375
SR 0070
UnknownOver: SR 0040
NORTH FRANKLIN TOWNSHIP, Washington, PA
Built 1960 ADT: 7,095
SR 0070
UnknownOver: SR 4051 & Alghy Val R/R
CANTON TOWNSHIP, Washington, PA
Built 1960 ADT: 2,678
SR 0070
UnknownOver: SR 4051 & Alghy Val R/R
CANTON TOWNSHIP, Washington, PA
Built 1960 ADT: 2,678
SR 0070
UnknownOver: TWP RD 957 (OHIO AVE)
CANTON TOWNSHIP, Washington, PA
Built 1960 ADT: 250
SR 0070
UnknownOver: TWP RD 957 (OHIO AVE)
CANTON TOWNSHIP, Washington, PA
Built 1960 ADT: 250
SR 0070
UnknownOver: SR 0018 & CITY STREETS
CITY OF WASHINGTON, Washington, PA
Built 1993 ADT: 100
SR 0070
UnknownOver: DONNAN AVENUE
CITY OF WASHINGTON, Washington, PA
Built 1960 ADT: 150
SR 0070
UnknownOver: SR 0018 & CITY STREETS
CITY OF WASHINGTON, Washington, PA
Built 1993 ADT: 100
SR 0070
UnknownOver: DONNAN AVENUE
CITY OF WASHINGTON, Washington, PA
Built 1960 ADT: 150
SR 0070
UnknownOver: SR 8016
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1960 ADT: 13,546
SR 0070
UnknownOver: SR 1009
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1960 ADT: 8,413
SR 0070
UnknownOver: SR 8016
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1960 ADT: 13,546
SR 0070
UnknownOver: SR 1009
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1960 ADT: 8,413
SR 0070
UnknownOver: SR 0019
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1960 ADT: 10,413
SR 0070
UnknownOver: SR 0019
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1960 ADT: 10,413
SR 0070
UnknownOver: 0088, 0906, 2 R/R, MON
BELLE VERNON BRIDGE, Washington, PA
Built 1951 ADT: 2,310
SR 0079
UnknownOver: SR 2020 & TENMILE CREEK
AMWELL TOWNSHIP, Washington, PA
Built 1998 ADT: 559
SR 0079
UnknownOver: SR 2020 & TENMILE CREEK
AMWELL TOWNSHIP, Washington, PA
Built 1998 ADT: 559
SR 0079
UnknownOver: TOWNSHIP ROAD 357
AMWELL TOWNSHIP, Washington, PA
Built 1966 ADT: 150
SR 0079
UnknownOver: TOWNSHIP ROAD 357
AMWELL TOWNSHIP, Washington, PA
Built 1966 ADT: 150
TOWNSHIP ROAD 366
UnknownOver: SR 0079
AMWELL TOWNSHIP, Washington, PA
Built 1966 ADT: 12,072
SR 0079
UnknownOver: SR 1045
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1964 ADT: 3,519
SR 0079
UnknownOver: SR 1045
SOUTH STRABANE TOWNSHIP, Washington, PA
Built 1964 ADT: 3,519
SR 0079
UnknownOver: SR 1009
SOUTH STRABANE TWP, Washington, PA
Built 1964 ADT: 7,896
SR 0079
UnknownOver: SR 1009
CHARTIERS & S. STRABANE, Washington, PA
Built 1964 ADT: 7,896
SR 0079
UnknownOver: SR 0519
NORTH STRABANE TOWNSHIP, Washington, PA
Built 1994 ADT: 14,687
SR 0079
UnknownOver: SR 0519
NORTH STRABANE TOWNSHIP, Washington, PA
Built 1993 ADT: 14,687
SR 0079
UnknownOver: SR 0980
CANNONSBURG BOROUGH, Washington, PA
Built 1966 ADT: 3,813
SR 0079
UnknownOver: SR 0980
CANNONSBURG BOROUGH, Washington, PA
Built 1966 ADT: 3,813
SR 0079
UnknownOver: SR 1025
NORTH STRABANE TOWNSHIP, Washington, PA
Built 1997 ADT: 12,452
SR 0079 NB
UnknownOver: SR 1032
CECIL TOWNSHIP, Washington, PA
Built 1994 ADT: 4,051
SR 0079 SB
UnknownOver: SR 1032
CECIL TOWNSHIP, Washington, PA
Built 1994 ADT: 4,051
SR 0088
UnknownOver: PRIVATE ROAD TO FERRY
EAST BETHLEHEM TOWNSHIP, Washington, PA
Built 1966 ADT: 120
SR 1023
UnknownOver: SR 0079
NORTH STRABANE TOWNSHIP, Washington, PA
Built 1966 ADT: 20,874
SR 1035
UnknownOver: SR 0079
NORTH STRABANE TOWNSHIP, Washington, PA
Built 1965 ADT: 26,115
Showing 2,151-2,200 of 14,867 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.