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: FALL BROOK
CRBNDALE CTY 1M W SR 1041, Lackawanna, PA
Over: ABANDONED NORFOLK SOUTH
2 MI. E. OF COLUMBIA, Lancaster, PA
Over: DONEGAL CREEK
2000 FT WEST OF SR 4017, Lancaster, PA
Over: Norfolk Southern R.R.
EAST END OF LEBANON, Lebanon, PA
Over: QUITTAPHILLA CREEK
150' S OF CUMBERLAND ST, Lebanon, PA
Over: W BR TUNUNGWANT CREEK
200' WEST OF S CENTER ST, McKean, PA
Over: OVER BIG RUN TRIB
WEST SALEM TOWNSHIP, Mercer, PA
Over: NORFOLK SOUTHERN
FLAT ROCK TUNNEL 36D10, Montgomery, PA
Over: CSX RAILROAD
AT HALDEMAN STR. 3372F05, Philadelphia, PA
Over: SCHUYLKILL RIVER BANK
76WB RMP.CHESTNUT 3590A09, Philadelphia, PA
Over: PINE CREEK
700 FT EAST OF SR 449, Potter, PA
Over: LOYALSOCK CREEK
BORO OF FORKSVILLE, Sullivan, PA
Over: TROWBRIDGE CREEK
GREAT BEND TWP 1M S PA LN, Susquehanna, PA
Over: HEISE RUN
3.3 MI W OF WELSBORO JUCT, Tioga, PA
Over: OVER SIX MILE RUN
MEAD TOWNSHIP, Warren, PA
Over: REDD RUN
AMWELL TOWNSHIP, Washington, PA
Over: W & LE RR
.5 mi from SR 2016, Washington, PA
Over: BUSHY RUN
PENN TOWNSHIP, Westmoreland, PA
Over: BRANCH OF FREEMAN RUN
FAIRFIELD TOWNSHIP, Westmoreland, PA
Over: Norfolk Southern Railway
DERRY TOWNSHIP, Westmoreland, PA
Over: BOYER RUN
MOUNT PLEASANT TOWNSHIP, Westmoreland, PA
Over: MESHOPPEN CREEK
MESHOPPEN BO .1 W TR 267, Wyoming, PA
Over: YELLOW BREECHES CREEK
CUMB & YORK CO LINE, York, PA
Over: W BR CODORUS CREEK
1 MI.N. YORK NEW SALEM, York, PA
Over: BRANCH OF FOX RUN
.25 MILE EAST OF DOVER, York, PA
Over: CHARTIERS CREEK TRIB.
200' WEST OF SR 519, Washington, PA
Over: DUNNINGS CREEK
1.4 MI.EAST OF TR 96, Bedford, PA
Over: OYSTERVILLE CREEK
SE OF LOBOCHSVILLE, Berks, PA
Over: Trib. to Marsh Creek
SOUTH OF MARSH, Chester, PA
Over: PICKERING CREEK
.5 MI. E. US 113 14B10, Chester, PA
Over: LETORT SPRING RUN
CARLISLE BORO/LETORT SPRG, Cumberland, PA
Over: OVER ELK CREEK
GIRARD TOWNSHIP, Erie, PA
Over: WASHINGTON RUN
PERRY TOWNSHIP, Fayette, PA
Over: DUNKARD FORK WHEELING CK
RICHHILL TOWNSHIP, Greene, PA
Over: DUNKARD BR WHEELING CK
RICHHILL TOWNSHIP, Greene, PA
Over: CRAYNES RUN
WEST OF COSTILE, Greene, PA
Over: BLACK LOG CREEK
0.1 MILE WEST OF US 522, Huntingdon, PA
Over: GREAT TROUGH CREEK
1 MI. WEST OF ROBERTSDALE, Huntingdon, PA
Over: DELLINGER RUN
.36 M NW OF SR 772, Lancaster, PA
Over: OVER BIG BEAR CREEK
.5 MI S OF BARBOURS, Lycoming, PA
Over: STONY CREEK
0.5 MI. W. I-476 3255K3, Montgomery, PA
Over: NANCY RUN
WILLOW PARK ROAD, Northampton, PA
Over: JACOBY CREEK
NW OF PA 611, Northampton, PA
Over: MONOCACY CREEK
0.2 MILE EAST OF PA 378, Northampton, PA
Over: OVER LT. SHAMOKIN CR.
VILLAGE OF HAMILTON, Northumberland, PA
Over: OVER WILSON RUN
RIVERSIDE BORO, Northumberland, PA
Over: AMTRAK (NE CORRIDOR)
W of State Rd 3483 A3, Philadelphia, PA
Over: LACKAWAXEN RIVER
LACKAWAXEN TWP JCT SR1014, Pike, PA
Over: MAHANTANGO CREEK
VISTA ROAD, Schuylkill, PA
Over: DIXIE RUN
2.5 MI. EAST OF BLACKWELL, Tioga, PA
Showing 7,151-7,200 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.