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: LYCOMING CREEK & RAMPS
CITY OF WMSPT., HIGH ST., Lycoming, PA
Over: OVER SR 220
PORTER TWP E JERSEY SHORE, Lycoming, PA
Over: OVER FOY AVE-3036
.5 MI NORTH OF WMSPT., Lycoming, PA
Over: OVER T-395 COLVIN ROAD
3 MI. N. OF WILLIAMSPORT, Lycoming, PA
Over: OVER SR 3026
3.5 MI.N.OF WILLIAMSPORT, Lycoming, PA
Over: OVER SR 3026
3.5 MI.N.OF WILLIAMSPORT, Lycoming, PA
Over: PA 973
PERRYVILLE, Lycoming, PA
Over: OVER SR 3029
1 MI.N.OF COGAN STATION, Lycoming, PA
Over: OVER 180E/WB,RAMP B US15
CITY OF WILLIAMSPORT, Lycoming, PA
Over: OVER T-811 & BECK RUN
1 MILE NORTH,BUTTONWOOD, Lycoming, PA
Over: OVER SR 284
1 MI.SOUTH OF BUTTONWOOD, Lycoming, PA
Over: I-180,VIA BELLA,SEDA R.R
WMSPT SPUI MARKET STREET, Lycoming, PA
Over: SR 15 NB/SB
Steam Valley, Lycoming, PA
Over: SR 4011 GREEN MTN ROAD
4 MI NORTH OF TROUT RUN, Lycoming, PA
Over: SR 4011
NB 15 OVER STEAM VALLEY, Lycoming, PA
Over: TOWNSHIP ROAD 369
1 MI N BRADFORD, McKean, PA
Over: T398/WESTERN NY & PA RR
ELDRED BORO, McKean, PA
Over: SR 4002
2 MILES SOUTH OF BRADFORD, McKean, PA
Over: FORMAN ST & TUNUNGWANT C
CITY OF BRADFORD, McKean, PA
Over: FORMAN ST & TUNUNGWANT C
CITY OF BRADFORD, McKean, PA
Over: SR 4015 (ELM STREET)
CITY OF BRADFORD, McKean, PA
Over: SR 4013 (PA 46)
OVER KENDALL AVE, McKean, PA
Over: SR 4015 (ELM STREET)
CITY OF BRADFORD, McKean, PA
Over: SR 4013 (PA 46)
OVER KENDALL AVE, McKean, PA
Over: OVER SR 79 NB / SB
FINDLEY TOWNSHIP, Mercer, PA
Over: OVER T-369,HEWITT ROAD
SHENANGO TOWNSHIP, Mercer, PA
Over: SR 80, EB & WB
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER RIVERSIDE DR/RIVER
CITY OF SHARON, Mercer, PA
Over: OVER SR 79,NB/SB
JACKSON TOWNSHIP, Mercer, PA
Over: OVER SR 80,EB/WB
FINDLEY TOWNSHIP, Mercer, PA
Over: OVER SR 79,NB
FINDLEY TOWNSHIP, Mercer, PA
Over: OVER SR2014,B&LE,MILL CR
FINDLEY TOWNSHIP, Mercer, PA
Over: OVER SR 79,NB/SB
JACKSON TOWNSHIP, Mercer, PA
Over: OVER SR 1009
NEW VERNON TOWNSHIP, Mercer, PA
Over: OVER SR 718,SIEG HILL RD
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER SR 718,SIEG HILL RD
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER SR 18,NEW CASTLE RD
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER SR 18,NEW CASTLE RD
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER SR 318,W MDDSX-MER
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER SR 318,W MDDSX-MER
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER T300,GREENFIELD RD
LACKAWANNOCK TOWNSHIP, Mercer, PA
Over: OVER T300,GREENFIELD RD
LACKAWANNOCK TOWNSHIP, Mercer, PA
Over: OVER SR 3007,MRCR-PLSKI
EAST LACKAWANNOCK TWP., Mercer, PA
Over: OVER SR 3007,MRCR-PLSKI
EAST LACKAWANNOCK TWP., Mercer, PA
Over: OVER SR 19 NB/SB,PERRY
EAST LACKAWANNOCK TWP., Mercer, PA
Over: OVER SR 19 NB/SB,PERRY
EAST LACKAWANNOCK TWP., Mercer, PA
Over: OVER SR 258,BUTLER PIKE
FINDLEY TOWNSHIP, Mercer, PA
Over: OVER SR 173,GROVE CITY
WOLF CREEK TOWNSHIP, Mercer, PA
Over: OVER I-376,NB/SB BEAVER
SHENANGO TOWNSHIP, Mercer, PA
Over: OVER SR 79,NB/SB
NEW VERNON TOWNSHIP, Mercer, PA
Showing 1,301-1,350 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.