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
US 219 NBL
UnknownOver: SR 2047
1.0 MI.S OF MEYERSDALE, Somerset, PA
Built 1998 ADT: 2,444
US 219 SBL
UnknownOver: SR 2047
1.0 MI.S OF MEYERSDALE, Somerset, PA
Built 1998 ADT: 2,444
US 219 NBL
UnknownOver: SR 2004 & ELKLICK CREEK
1.5 MI. N OF MEYERSDALE, Somerset, PA
Built 1998 ADT: 1,257
US 219 SBL
UnknownOver: SR 2004 & ELKLICK CREEK
1.5 MI. N OF MEYERSDALE, Somerset, PA
Built 1998 ADT: 1,257
US 219 NBL
UnknownOver: ACCESS RD & CASSELMAN R
1.5 MI. N OF MEYERSDALE, Somerset, PA
Built 1998
US 219 SBL
UnknownOver: ACCESS RD & CASSELMAN R
1 MI.N OF MEYERSDALE, Somerset, PA
Built 1998
US 219 NBL
UnknownOver: SR 2047 & CSX RAILROAD
1.5 MI. N OF MEYERSDALE, Somerset, PA
Built 1998 ADT: 1,918
US 219 SBL
UnknownOver: ACCESS RD & BLUE LICK CR
1.5 MI.N OF MEYERSDALE, Somerset, PA
Built 1998
US 219 SBL
UnknownOver: PETENB RD, SR 2047 & CSX
1.5 MI. N OF MEYERSDALE, Somerset, PA
Built 1998 ADT: 1,918
PA 31 (LR 49)
UnknownOver: PTC, B-438, MP 111.96
0.1 MI.EAST OF SOMERSET, Somerset, PA
Built 2000 ADT: 27,137
SR 1003 (LR55123)
UnknownOver: PA TURNPIKE(I-76);B-482
1 MI.NORTH OF BROTHERTON, Somerset, PA
Built 2000 ADT: 27,137
SR 1007(LR 55053)
UnknownOver: PA TURNPIKE(I-76),B-428
1.8 MI. N.W. OF ROXBURY, Somerset, PA
Built 2001 ADT: 29,452
PA 31 (LR 49)
UnknownOver: PTC, B-481, MP 114.55
NEAR SR 31 & SR 1001 JCT, Somerset, PA
Built 2001 ADT: 29,452
SR 1005 (LR 548)
UnknownOver: PTC, B-426, MP 118.21
1.02 MILE N. FROM PA 31, Somerset, PA
Built 2001 ADT: 29,452
US 219 NBL
UnknownOver: T893 MILOW-FIMMER ROAD
3 MI S OF SR30, Somerset, PA
Built 2002 ADT: 25
US 219 SBL
UnknownOver: SR 8005, RAMPS C & D
OVER SR 8005, Somerset, PA
Built 2003 ADT: 1,587
US 219 NBL
UnknownOver: SR 8005, RAMPS C & D
OVR SR8005,3MI N SOMERSET, Somerset, PA
Built 2003 ADT: 1,587
SR 4005 (LR 55064)
UnknownOver: PTC, B-409, MP 104.92
1.2 MI. S. OF ALLENVALE, Somerset, PA
Built 2011
PA 281
UnknownOver: US 30
STOYSTOWN, Somerset, PA
Built 2013 ADT: 5,236
SR 4001
UnknownOver: PTC B-459, MP 103.47
EAST OF LAUREL SUMMIT, Somerset, PA
Built 2012
SOMERSET ST
UnknownOver: U.S. ROUTE 30
NEAR STOYSTOWN, Somerset, PA
Built 2019 ADT: 3,990
US 219
UnknownOver: SR2027 & TRIB CASSELMAN
PINE HILL NB, Somerset, PA
Built 2018 ADT: 153
US 219
UnknownOver: SR2027 & TRIB CASSELMAN
PINE HILL SB, Somerset, PA
Built 2018 ADT: 153
US 219
UnknownOver: SR2047,T419,T431,BUFF CR
BUFFALO CREEK NBL, Somerset, PA
Built 2018 ADT: 485
US 219
UnknownOver: SR2047,T419,T431,BUFF CR
BUFFALO CREEK SBL, Somerset, PA
Built 2018 ADT: 485
US 219
UnknownOver: SR 2031
3.1 MILE NE OF GARRETT, Somerset, PA
Built 2018 ADT: 446
US 219
UnknownOver: SR 2031
3.1 MILE N OF GARRETT, Somerset, PA
Built 2018 ADT: 446
US 219
UnknownOver: SR 3010
5.2 MILE NW OF BERLIN, Somerset, PA
Built 2018 ADT: 469
US 219
UnknownOver: SR 3010
5.2 MILE NW OF BERLIN, Somerset, PA
Built 2018 ADT: 469
SR 0081 I-81 NB
UnknownOver: SR 0374
LENOX TWP OVER SR 0374, Susquehanna, PA
Built 1961 ADT: 1,345
SR 0081 I-81 SB
UnknownOver: SR 0374
LENOX TWP OVER SR 0374, Susquehanna, PA
Built 1961 ADT: 1,345
SR 0081 I-81 NB
UnknownOver: TOWNSHIP RD 436
LENOX TWP .6 M N TR 374, Susquehanna, PA
Built 1961 ADT: 200
SR 0081 I-81 SB
UnknownOver: TOWNSHIP ROAD 436
LENOX TWP .6 M N TR 374, Susquehanna, PA
Built 1961 ADT: 200
SR 0081 I-81 NB
UnknownOver: SR 2016
LENOX TWP OVER SR 2016, Susquehanna, PA
Built 1961 ADT: 81
SR 0081 I-81 SB
UnknownOver: SR 2016
LENOX TWP OVER SR 2016, Susquehanna, PA
Built 1961 ADT: 81
SR 0081 I-81 NB
UnknownOver: SR 0106 TR 106
LENOX TWP OVER TR 106, Susquehanna, PA
Built 1961 ADT: 2,874
SR 0081 I-81 SB
UnknownOver: SR 0106 TR 106
LENOX TWP OVER TR 106, Susquehanna, PA
Built 1961 ADT: 2,874
SR 0081 I-81 NB
UnknownOver: SR 0092 TR 92
LENOX TWP OVER TR 92, Susquehanna, PA
Built 1961 ADT: 4,135
SR 0081 I-81 SB
UnknownOver: SR 0092 TR 92
LENOX TWP OVER TR 92, Susquehanna, PA
Built 1961 ADT: 4,135
SR 0081 I-81 NB
UnknownOver: TWP 582 & BUTLER CREEK
HARFORD TWP 1 M N TR 92, Susquehanna, PA
Built 1961 ADT: 150
SR 0081 I-81 SB
UnknownOver: TWP 582 & BUTLER CREEK
HARFORD TWP 1 M N TR 92, Susquehanna, PA
Built 1961 ADT: 150
SR 0081 I-81 NB
UnknownOver: SR 0492 TR 492
N MILFORD TWP OVER TR 492, Susquehanna, PA
Built 1961 ADT: 2,939
SR 0081 I-81 SB
UnknownOver: SR 0492 TR 492
N MILFORD TWP OVER TR 492, Susquehanna, PA
Built 1961 ADT: 2,939
SR 0081 I-81 NB
UnknownOver: SUSQUEHANNA ST
N MILFORD BO OVER SUSQ ST, Susquehanna, PA
Built 1961 ADT: 574
SR 0081 I-81 SB
UnknownOver: SUSQUEHANNA STREET
N MILFORD BO OVER SUSQ ST, Susquehanna, PA
Built 1961 ADT: 574
SR 0081 I-81 NB
UnknownOver: SR 1010 & SUSQUEHANNA RV
GREAT BEND TWP.3M S TR171, Susquehanna, PA
Built 1961 ADT: 81
SR 0081 I-81 SB
UnknownOver: SR 1010 & SUSQUEHANNA RV
GREATBEND TWP .3M S TR171, Susquehanna, PA
Built 1961 ADT: 81
SR 0081 I-81 NB
UnknownOver: SR 0171 TR 171 EXIT 230
GREAT BEND TWP OVER TR171, Susquehanna, PA
Built 1961 ADT: 3,125
SR 0081 I-81 SB
UnknownOver: SR 0171 TR 171 EXIT 230
GREAT BEND TP OVER TR 171, Susquehanna, PA
Built 1961 ADT: 3,125
SR 0092 TR 92
UnknownOver: CENTRAL NEW YORK RR
SUSQUEHANNA BO JCT TR 171, Susquehanna, PA
Built 1995 ADT: 100
Showing 2,001-2,050 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.