Total Bridges
14,867
Public highway bridges in Pennsylvania
State profile · Above national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Pennsylvania — drawn straight from the FHWA National Bridge Inventory.
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 rated 0-4
Structurally Deficient
10.5%
1,561 bridges flagged for repair priority
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Pennsylvania on the same metric.
26
02
42
38
22
Six lowest-condition bridges in Pennsylvania, ranked by composite NBI rating. Each is inspected at least every 24 months.
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: OVER FRENCH CREEK W BR
VENANGO TOWNSHIP, Erie, PA
Over: YOUGHIOGHENY RIVER DAM
YOUGH DAM (SOMERFIELD), Fayette, PA
Over: CAMPBELL RUN
300 FT SW OF SR 3013, Franklin, PA
Over: FRANKSTOWN BR JUNIATA R
NEFF BRIDGE, Huntingdon, PA
Over: CHERRY RUN
BTW T880 & SR3056, Indiana, PA
Over: STUMP CREEK
0.1 MILE S OF US RTE 119, Jefferson, PA
Over: MACEDONIA RUN
1.5 MI. W. ARCH ROCK ENT, Juniata, PA
Over: W BR LITTLE CONESTOGA CR
1/2 MI SW OF SR 3031, Lancaster, PA
Over: AMTRAK
500 FT SOUTH OF SR 30, Lancaster, PA
Over: NOR/SOUTH&AMTRAK
2000'E. OF SR 4020, Lancaster, PA
Over: OVER LYCOMING CREEK
VILLAGE OF BODINES, Lycoming, PA
Over: SEPTA
WILLOW GROVE 3259-B09, Montgomery, PA
Over: TOWAMENCIN CREEK
1 Mi NW PA-363 3143-F5, Montgomery, PA
Over: SR 2002 (Schultz Rd)
West of North Wales, Montgomery, PA
Over: CSX
W of London Road 10A07, Philadelphia, PA
Over: SEPTA (Chestnut Hill E)
E of Germantown Ave 17B05, Philadelphia, PA
Over: AMTRAK (Pittsburgh ML)
S of Poplar St - 3589-G05, Philadelphia, PA
Over: TRIB TO SUSQUEHANNA RVR
3 MI. W OF PORT TREVORTON, Snyder, PA
Over: OVER MIDDLE CREEK
1.5 MI.NE OF BEAVERTOWN, Snyder, PA
Over: TUSCARORA CREEK
AUBURN TWP .3 M S SR 3004, Susquehanna, PA
Over: OVER LAKE CREEK
COOPERSTOWN BOROUGH, Venango, PA
Over: BRANCH EQUINUNK CREEK
0.1 MILE WEST OF SR 4007, Wayne, PA
Over: OSTERHOUT CREEK
TUNKHANNOCK TP 1M E TR 92, Wyoming, PA
Over: FORK RUN
UNKNOWN, Clearfield, PA
Over: Alex. Spring Creek
West Pennsboro Twp., Cumberland, PA
Over: Deer Creek
W of Allegheny Val Int., Allegheny, PA
Over: SUGAR CREEK
150ft N SR 68 Intersect., Armstrong, PA
Over: RAYSTOWN BR JUNIATA RIV
1.8 MI NW MANNS CHOICE, Bedford, PA
Over: ANGELICA CREEK
NEW HOLLAND ROAD, Berks, PA
Over: HUTCHINSON RUN
1.2 MILES SOUTH OF SR 453, Blair, PA
Over: BULLARD CREEK
2 MILES NORTH OF N. ROME, Bradford, PA
Over: TOWANDA CREEK
0.2 MI S. INT. SR 414, Bradford, PA
Over: NESHAMINY CREEK
1.5MI E PA152 3034C5/28E4, Bucks, PA
Over: UNNAMED BR. NESHAMINY CR
1 MI S. PA611 3034F4/28H3, Bucks, PA
Over: EAST BR PERKIOMEN CREEK
100FT N SR152 ADC 2920-C2, Bucks, PA
Over: CONNOQUENESSING CR.
5.5 mi S SR138 Intersec., Butler, PA
Over: BEAR CREEK
2.3 Mi E SR 38 Inter., Butler, PA
Over: Cool Springs Drive
800' E of SR 0079, Butler, PA
Over: Pohopoco Cr &LowerMainSt
Parryville, Carbon, PA
Over: POTTER RUN
1 MI SE POTTERS MILLS, Centre, PA
Over: PICKERING CREEK
NR WILLIAMS CORNER 15E9, Chester, PA
Over: Atwater Drive
SR 29 Interchange, Chester, PA
Over: BEAVER CREEK
PA-340/3471-A8, Chester, PA
Over: Leatherwood Creek
SOUTH LEATHERWOOD, Clarion, PA
Over: Little Conneauttee Creek
2.5 mi N Cambridge Spring, Crawford, PA
Over: FOSTER RUN
CONNEAUTVILLE BOROUGH, Crawford, PA
Over: CUSSEWAGO CREEK
2.5 MI.NW MOSIERTOWN, Crawford, PA
Over: WOLF RUN
2.5 mi NW of Saegertown, Crawford, PA
Over: over Linesville Creek
CONNEAUT TOWNSHIP, Crawford, PA
Over: Bow Creek
.5SW Grntvle/TR-Swtra/EHT, Dauphin, PA
Showing 7,951-8,000 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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.