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
I-180 EASTBOUND
UnknownOver: OVER S.R. 1007
2 MILES NORTH OF MILTON, Northumberland, PA
Built 1971 ADT: 3,160
I-180 WBL
UnknownOver: OVER SR 1007
2 MILES NORTH OF MILTON, Northumberland, PA
Built 1971 ADT: 3,160
S.R. 642
UnknownOver: OVER S.R. 147
1 MI E OF MILTON, Northumberland, PA
Built 1970 ADT: 8,487
SR 1025
UnknownOver: OVER SR 147
1 MI S OF MILTON, Northumberland, PA
Built 1971 ADT: 7,851
SR 0405
UnknownOver: NORFOLK SOUTHER RR,T-630
VILLAGE OF DEWART, Northumberland, PA
Built 1997 ADT: 100
I-80 WESTBOUND
UnknownOver: I-180 AND RAMPS
2 MI. N OF MILTON, Northumberland, PA
Built 2001 ADT: 8,622
I-80 EASTBOUND
UnknownOver: I-180 & SR 147 MID-POINT
2 MI N OF MILTON, Northumberland, PA
Built 2002 ADT: 9,520
SR 147 FUTURE NB
UnknownOver: OVER SR 254
BORO OF MILTON, Northumberland, PA
Built 2002 ADT: 5,565
SR 147
UnknownOver: SR 45
0.5 MI E OF MONTANDON, Northumberland, PA
Built 2003 ADT: 3,722
Service Rd "A"
UnknownOver: CSVT SR 15
.5 MI N OF NORTHUMBERLAND, Northumberland, PA
Built 2018 ADT: 300
SR 1006
UnknownOver: OVER I-180 EBL & WBL
2 MI. N.E.OF WATSONTOWN, Northumberland, PA
Built 2021 ADT: 7,799
SR 15
UnknownOver: Susquehanna River
Susq River XING CSVT, Northumberland, PA
Built 2019 ADT: 13,918
SR 147
UnknownOver: SR 1024
CSVT over Ridge RD SR 102, Northumberland, PA
Built 2022 ADT: 3,512
SR 147
UnknownOver: SR 1024
CSVT over Ridge RD SR 102, Northumberland, PA
Built 2022 ADT: 3,512
US 11&15; SR 0011
UnknownOver: PA 274;SR 0274
DUNCANNON BORO, Perry, PA
Built 1959 ADT: 6,533
US 22EB; SR 0022
UnknownOver: PA 17; SR 0017
MILLERSTOWN BORO, Perry, PA
Built 1966 ADT: 1,481
US22/322; SR0022WB
UnknownOver: PA 17; SR 0017
MILLERSTOWN BORO, Perry, PA
Built 1966 ADT: 1,481
US 22-322;SR0022EB
UnknownOver: PERRY VALLEY RD.
0.8MI SE OF MILLERSTOWN, Perry, PA
Built 1966 ADT: 292
US 22; SR 0022 WB
UnknownOver: S.R. 1010
0.8MI SE OF MILLERSTOWN, Perry, PA
Built 1966 ADT: 292
US 22-322;SR0022EB
UnknownOver: SR 1012
1.5MI SE OF MILLERSTOWN, Perry, PA
Built 1966 ADT: 368
US 22/322 WB
UnknownOver: SR 1012;Old Ferry Rd.
1.5MI SE OF MILLERSTOWN, Perry, PA
Built 1966 ADT: 368
US22-322;SR0022 EB
UnknownOver: OWL HOLLOW RD.
2.4MI SE OF MILLERSTOWN, Perry, PA
Built 1966 ADT: 256
US 22/322;SR 22 WB
UnknownOver: SR 1020
4.4 MI.NW OF AMITY HALL, Perry, PA
Built 1966 ADT: 620
US 22/322; SR 0022
UnknownOver: SR1028 Huggins Rd
3 MI.N. OF AMITY HALL, Perry, PA
Built 1964 ADT: 242
US-22;SR 0022 EB
UnknownOver: SR 0034
2 MI.NE OF NEWPORT BORO, Perry, PA
Built 2022 ADT: 8,205
CITY LINE AVE.S.B.
UnknownOver: RAMPS B AND C
INT.WEST OF I-76 3479G09, Philadelphia, PA
Built 1953 ADT: 2,390
ROOSEVELT BLVD NB
UnknownOver: SCHUYLKILL, ROADS & RR
1MI.S.CITY LINE 3479K09, Philadelphia, PA
Built 1960 ADT: 13,656
ROOSEVELT BLVD.SB
UnknownOver: SCHUYLKILL RIVER & ROADS
1MI.S.CITY LINE 3479K09, Philadelphia, PA
Built 1960 ADT: 17,665
ROOSEVELT BLVD EXT
UnknownOver: ROBERTS AVE;SEPTA;CSX
WAYNE JNC VIA 3480D08, Philadelphia, PA
Built 1960 ADT: 16,981
CHESTNUT STREET
UnknownOver: AMTRAK;SCH EXPWY&30TH ST
AT 30TH STREET 3590 A08, Philadelphia, PA
Built 1934 ADT: 8,500
GIRARD AVENUE
UnknownOver: SCHUYLKILL EXPWY, MLK DR
FAIRMOUNT PARK 3589J04, Philadelphia, PA
Built 1957 ADT: 9,800
GIRARD AVENUE
UnknownOver: SCHUYL. RIVER & KELLY DR
FAIRMOUNT PARK 3589K04, Philadelphia, PA
Built 1972 ADT: 17,665
33RD STREET
UnknownOver: MASTER STREET
.25MI.N.GIRARD AV.3589K04, Philadelphia, PA
Built 1901 ADT: 1,000
RIDGE AVENUE
UnknownOver: HUNTING PARK AVE
NR.MT.VERNON CEM. 3589K01, Philadelphia, PA
Built 1948 ADT: 5,711
MILLBROOK ROAD
UnknownOver: WOODHAVEN ROAD
LIBERTY BELL TRACK3373F07, Philadelphia, PA
Built 1964 ADT: 23,214
WOODHAVEN ROAD
UnknownOver: ACADEMY ROAD
EAST OF ROUTE 1 3373D06, Philadelphia, PA
Built 1965 ADT: 6,578
WOODHAVEN ROAD
UnknownOver: THORNTON ROAD
EAST OF ROUTE 1 3373C05, Philadelphia, PA
Built 1965 ADT: 7,500
WOODHAVEN ROAD
UnknownOver: ROOSEVELT BLVD
WOODHAVEN RD;US 1 3373A03, Philadelphia, PA
Built 1965 ADT: 15,593
COTTMAN AVENUE
UnknownOver: ROOSEVELT BLVD.
@ ROOSEVELT BLVD. 3482B03, Philadelphia, PA
Built 1967 ADT: 28,598
SCHUYLKILL EXWY.EB
UnknownOver: NEILL DRIVE
NR.CITY LINE AVE. 3479J09, Philadelphia, PA
Built 1956 ADT: 1,500
SCHUYLKILL EXWY.EB
UnknownOver: L.R.67058,RAMP B
NEAR NEIL DRIVE 3479J10, Philadelphia, PA
Built 1972 ADT: 19,899
SCHUYLKILL EXWY.WB
UnknownOver: LR 67058 RAMP B
CTY.LINE AVE.INTG.3479J10, Philadelphia, PA
Built 1972 ADT: 19,899
GREENLAND DRIVE
UnknownOver: SCHUYLKILL EXWY
W.STRWBRY.MNSN.BRG3589J01, Philadelphia, PA
Built 1972 ADT: 63,820
SCHUYLKILL EXPWAY.
UnknownOver: MONTGOMERY DRIVE
MONTG.DRIVE INTER.3589G03, Philadelphia, PA
Built 1953 ADT: 3,500
SCHUYLKILL EXPWAY.
UnknownOver: BLACK ROAD
NR.COLUMBIA BRDG. 3589G03, Philadelphia, PA
Built 1956 ADT: 870
SCHUYLKILL EXPWAY.
UnknownOver: SWEETBRIAR ROAD
NR.GIRARD AVE.INCH3589J04, Philadelphia, PA
Built 1956 ADT: 2,500
SCHUYLKILL & RMP.B
UnknownOver: RAMP C;FROM VINE STREET
VINE ST.INTERCH. 3590 A06, Philadelphia, PA
Built 1988 ADT: 18,336
SCHUYLKILL EXWY.WB
UnknownOver: RAMP C;FROM VINE STREET
VINE ST.INTERCH. 3590A06, Philadelphia, PA
Built 1988 ADT: 18,336
SCHUYLKILL EXWY.WB
UnknownOver: RAMP A AND RAMP B
I-76 AT VINE ST. 3590A07, Philadelphia, PA
Built 1989 ADT: 68,665
SCHUYLKILL EXPWAY.
UnknownOver: SCHUYLKILL RIVER;CSX RR
UNIVERSISTY AVE 3589K10, Philadelphia, PA
Built 1956 ADT: 8,226
Showing 1,651-1,700 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.