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: Tr Zacharias Creek
Fawn/Zacharias Rd 3143-C8, Montgomery, PA
Over: Trib of Zacharias Creek
Doe Brook Lane/Fawn3143C8, Montgomery, PA
Over: Tri to Skippack Creek
.2 M S of SR 4005-3142G10, Montgomery, PA
Over: OVER TRIB TO MUD CREEK
0.5 MI E WASHINGTONVILLE, Montour, PA
Over: OVER TRIB TO MUD CREEK
1 MI E OF WASHINGTONVILLE, Montour, PA
Over: MIDDLE BR CHILLISQUAQ CR
4MI.NE.OF WASHINGTONVILLE, Montour, PA
Over: OVER LIMESTONE RUN
1 MI N OF LIMESTONEVILLE, Montour, PA
Over: TRB TO BR CHILLISQUAQ CR
1.0 MI S VILLAGE OF COMLY, Montour, PA
Over: CO LI BR CHILLISQUAQUE C
VILLAGE OF COMLY, Montour, PA
Over: SECHLER RUN
BORO OF DANVILLE, Montour, PA
Over: SECHLER RUN
BORO OF DANVILLE, Montour, PA
Over: TRIB.BUSHKILL CK.
25TH & NORTHAMPTON STS., Northampton, PA
Over: HOKENDAUQUA CREEK
NORTHAMPTON BORO LINE, Northampton, PA
Over: JACOBY CREEK
PORTLAND, Northampton, PA
Over: FRYS RUN
DURHAM ROAD, Northampton, PA
Over: TRIB.TO BUSHKILL CK.
0.5MI.N.OF WILSON BORO, Northampton, PA
Over: BUSHKILL CREEK
NORTH THIRD STREET, Northampton, PA
Over: TRIB.TO MONOCACY CREEK
1 MI.W.OF NAZARETH, Northampton, PA
Over: HOKENDAUQUA CREEK
NW KREIDERSVILLE, Northampton, PA
Over: MUD RUN
0.5 M. NORTH OF SR 1002, Northampton, PA
Over: LITTLE BUSHKILL CREEK
E. OF PA 191, Northampton, PA
Over: MARTINS CREEK
1.5 M. E OF NORTH BANGOR, Northampton, PA
Over: ALLEGHENY CREEK
N. OF HARTZELLS FERRY, Northampton, PA
Over: ALLEGHENY CREEK
N. OF HARTZELLS FERRY, Northampton, PA
Over: BUSHKILL CREEK
S OF SR 22, @ BUSHKILL DR, Northampton, PA
Over: DELAWARE CANAL DIVERSION
SOUTH OF RAUBSVILLE, Northampton, PA
Over: SLATEFORD CREEK
7 MILES EAST OF US. ROUTE, Northampton, PA
Over: JOHNSONS RUN
1.5 MI NE OF NORTHD BORO, Northumberland, PA
Over: TRIB.TO DELEWARE RUN
3.5 MI EAST OF DEWART, Northumberland, PA
Over: MAHANTANGO CREEK
VILLAGE OF PILLOW, Northumberland, PA
Over: OVER WARRIOR RUN CREEK
1 MI S OF WATSONTOWN, Northumberland, PA
Over: OVER SHAMOKIN CREEK
0.5 MI SW OF RANSHAW, Northumberland, PA
Over: OVER COAL RUN
VILLAGE OF RANSHAW, Northumberland, PA
Over: OVER LOGAN RUN
2 MI.E.OF RIVERSIDE, Northumberland, PA
Over: OVER SHAMOKIN CREEK
1 MI.S OF PAXINOS, Northumberland, PA
Over: OVER MILLERS RUN
1 MI.SE OF PAXINOS, Northumberland, PA
Over: OVER MILLERS RUN
2 MI NW OF BEAR GAP, Northumberland, PA
Over: OVER QUAKER RUN
BRADY ST VILLAGE BRADY, Northumberland, PA
Over: OVER COAL RUN
VILLAGE OF COAL RUN, Northumberland, PA
Over: MOUSE CREEK
0.5 MI N OF URBAN, Northumberland, PA
Over: TRIB OF MOUSE RUN
0.5 MI EAST OF URBAN, Northumberland, PA
Over: OVER SHAMOKIN CREEK.
1.5 MI W OF ELYSBURG, Northumberland, PA
Over: LIMESTONE RUN
MILTON BORO, Northumberland, PA
Over: JOHNSON CREEK
2.3 MI. N. NORTHUMBERLAND, Northumberland, PA
Over: LIMESTONE RUN
2.8 MI. EAST OF MILTON, Northumberland, PA
Over: BIXLER RUN
1 MI. E. KISTLER, Perry, PA
Over: LITTLE BUFFALO CREEK
LITTLE BUFFALO STATE PARK, Perry, PA
Over: SEPTA
S of Baltimore - 27E13, Philadelphia, PA
Over: DIRT AND FILL
WALNUT TO 76EB 3590 A08, Philadelphia, PA
Over: OPEN GROUND(EARTH FILL)
BETSY ROSS INTERC.3481H10, Philadelphia, PA
Showing 4,351-4,400 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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |