Total Bridges
14,867
Public highway bridges in Pennsylvania
State profile · Above median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Pennsylvania, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
14,867
Public highway bridges in Pennsylvania
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%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
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
AK
PA
ND
LA
Six lowest-condition bridges in Pennsylvania, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: KISKIMINETAS RIVER
SALTSBURG, Indiana, PA
Over: TOBYS CREEK
100 FT NE OF SR 309, Luzerne, PA
Over: OVER SHENANGO RIVER TRIB
HEASLEY RD SHENANGO TWP, Mercer, PA
Over: LAUREL HILL CREEK
BARRONVALE, Somerset, PA
Over: Fallen Timber Run
Clark St, Hooversville, Somerset, PA
Over: LOYALSOCK CREEK
BORO OF FORKSVILLE, Sullivan, PA
Over: PA TURNPIKE (I-76)
2 MI NORTH OF NEWVILLE, Cumberland, PA
Over: I-76 PA Turnpike
Lower Mifflin Township, Cumberland, PA
Over: I-76 PA TPK MP (215.96)
2.5 M. S. OF BLOSERVILLE, Cumberland, PA
Over: SR 0015, LR123 (US 15)
UPPER ALLEN TWP, Cumberland, PA
Over: SR 0015, LR123 (US 15)
UPPER ALLEN TWP, Cumberland, PA
Over: Lower Allen Dr/T618
Capital City Mall, Cumberland, PA
Over: SR 2014 Simpson Ferry
Outside Camp Hill, Cumberland, PA
Over: SR 0581 E & W
Camp Hill Boro, Cumberland, PA
Over: SR 4008, LR21036
Lower Mifflin Twp, Cumberland, PA
Over: PA 465; SR 0465
1 MI. S. OF CARLISLE, Cumberland, PA
Over: PA 465; SR 0465
1 MI. S. OF CARLISLE, Cumberland, PA
Over: I-83, SR 0083
LEMOYNE WEST OF LR250, Cumberland, PA
Over: SR 4006
Upper Mifflin Twp., Cumberland, PA
Over: SR 4013
Upper Mifflin Twp., Cumberland, PA
Over: SR 0034
North Middleton Twp., Cumberland, PA
Over: LR21032, SR0074
North Middleton Twp., Cumberland, PA
Over: SR 0011, LR 34
Middlesex Twp., Cumberland, PA
Over: SR4007 MOUNTAIN RD
UPPER MIFFLIN TWP, Cumberland, PA
Over: US 22 & 322, SR 0022
2 MI N OF CLARKS FERRY, Dauphin, PA
Over: SUSQ R; SR 0147 SB, RP
CLARKS FERRY, Dauphin, PA
Over: SUSQ. R.; SR 0147 SB, RP
.5 MI. EAST OF DUNCANNON, Dauphin, PA
Over: SUSQUEHANNA STREET
200 FT NW OF SR 0322, Dauphin, PA
Over: T-509
ROCKVILLE, Dauphin, PA
Over: T-509
ROCKVILLE, Dauphin, PA
Over: SR 0081; SR 8003 RP A@B
INTER OF I81 & US22, Dauphin, PA
Over: I-81; SR 8003 RP A@B
INTER OF I81 & US22, Dauphin, PA
Over: I-81; SR 0081
3MI E OF LINGLESTOWN, Dauphin, PA
Over: SR 3009 NB FRONT ST
SUSQUEHANNA TWP., Dauphin, PA
Over: NORFOLK SOUTHERN, T-310
CITY OF HARRISBURG, Dauphin, PA
Over: INDUSTRIAL HIGHWAY
OVER INDUSTRIAL HWY., Dauphin, PA
Over: INDUSTRAIL HIGHWAY
OVER IND. HIGHWAY, Dauphin, PA
Over: TWP RD 318; KOHN RD
1.5 MI.N.OF PROGRESS, Dauphin, PA
Over: TWP RD 318; KOHN RD
1.5 MI.N. PROGRESS, Dauphin, PA
Over: SR 3015
1 MI.N.OF PROGRESS, Dauphin, PA
Over: SR 3015
1 MI. N. PROGRESS, Dauphin, PA
Over: TWP RD 432
1 MI. N. PROGRESS, Dauphin, PA
Over: I-81; SR 0081
PAXTONIA, Dauphin, PA
Over: T-561 Blue Ridge Ave.
1 MI. S.E. LINGLESTOWN, Dauphin, PA
Over: TWP RD 465
2.5 MI. E. LINGLESTOWN, Dauphin, PA
Over: SR 2017
SHELLSVILLE, Dauphin, PA
Over: SR 2015
1 MI. E. SHELLSVILLE, Dauphin, PA
Over: SR 2015 MANADA GAP RD
1 MI.E. OF SHELLSVILLE, Dauphin, PA
Over: TWP RD 523
2 MI E SHELLSVILLE, Dauphin, PA
Over: TWP RD 523
GRANTVILLE, Dauphin, PA
Over: I-81; SR 0081
GRANTVILLE, Dauphin, PA
Over: I-81; SR 0081
0.5 MI. N. OF GRANTVILLE, Dauphin, PA
Over: SUSQ.RIVER;R.R.LOWTHER S
JOHN HARRIS BRIDGE; I-83, Dauphin, PA
Over: PA 230;NS;RP B,C;FRONT
SOUTH HARRISBURG, Dauphin, PA
Over: SR 0083; I-83
13TH ST. OVER I-83, Dauphin, PA
Over: US322&RE;I283S;RA;SR3001
EISENHOWER INTERCHANGE, Dauphin, PA
Showing 501-550 of 14,867 bridges
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.