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: SEPTA(P&W);TRIB.CRUM CK.
SPRINGFIELD MALL 34G06, Delaware, PA
Over: CONEMAUGH RIVER
WESLEY E. DODSON, Indiana, PA
Over: STAFFORD MEADOW BROOK
BETWEEN ELM AND BROOK ST, Lackawanna, PA
Over: SANDY RUN
FORT WASHINGTON INTERCHG, Montgomery, PA
Over: SOUTH BRANCH MIDDLE CRK
VILLAGE OF MCCLURE, Snyder, PA
Over: OVER BR. MEHOOPANY CR.
1 MI NW OF COLLEY, Sullivan, PA
Over: LITTLE LOYALSOCK CREEK
2.5 MI. W OF CHERRY MILLS, Sullivan, PA
Over: WILSON RUN
300 FT WEST OF SR 321, Elk, PA
Over: SEDA COG/NIT&BALD EGL RR
PLEASANT GAP, Centre, PA
Over: ACCESS ROAD
3 MILES SW PORT MATILDA, Centre, PA
Over: RIDLEY CREEK
West of Line Road 3474D09, Chester, PA
Over: RIDLEY CREEK
1/2 MI. EAST PA352 3474D9, Chester, PA
Over: NORFOLK AND SOUTHERN
CITY OF LOCK HAVEN, Clinton, PA
Over: SEPTA(P&W);TRIB.CRUM CK.
SPRINGFIELD MALL 34G06, Delaware, PA
Over: STONEY RUN
ROSE STREET, Indiana, PA
Over: LACKAWANNA RIVER
ARCH BORO, ADJ TO MAIN ST, Lackawanna, PA
Over: NORFOLK AND SOUTHERN RR
GREENFIELD STATION, Lancaster, PA
Over: HAMMER CREEK
ONLY BRIDGE ON HACKMAN RD, Lancaster, PA
Over: SHERMANS CREEK
2MI N OF SHERMSDLE, Perry, PA
Over: RAYSTOWN LAKE,COFFEE RUN
1.1 MILE EAST OF SR 3009, Huntingdon, PA
Over: TUSCARORA CREEK
PORT ROYAL, Juniata, PA
Over: COPLAY CREEK
WEST OF QUARRY STREET, Lehigh, PA
Over: OVER BLOCKHOUSE CREEK
VILLAGE OF BUTTONWOOD, Lycoming, PA
Over: TUNKHANNOCK CREEK
AT CARBON CO. LINE, Monroe, PA
Over: TUNKHANNOCK CREEK
AT CARBON CTY. LINE, Monroe, PA
Over: PROPHECY CREEK / 3257-C6
SOUTH OF AMBLER 30F02, Montgomery, PA
Over: SHAMOKIN CR/NS#117-30563
1 MI S OF SUNBURY, Northumberland, PA
Over: SARTWELL CREEK
450 FT EAST OF SR 4001, Potter, PA
Over: OVER PENNS CREEK
3 MI S OF MIFFLINBURG, Union, PA
Over: OVER BLUE EYE RUN
PITTSFIELD TOWNSHIP, Warren, PA
Over: OVER TIDIOUTE CREEK
DEERFIELD TOWNSHIP, Warren, PA
Over: MINGO CREEK
CARROLL & UNION TOWNSHIP, Washington, PA
Over: LITTLE PUCKETA CREEK
UPPER BURRELL TOWNSHIP, Westmoreland, PA
Over: HANNAS RUN
LIGONIER TWP, Westmoreland, PA
Over: YRKRAIL; MD @ PA RR W BR
HIGHLAND AVE IN WEST YORK, York, PA
Over: PIPPINS RUN
1 MI.N. OF SIDDENSBURG, York, PA
Over: MILL CREEK
0.6 M. EAST OF ROSEVILLE, Tioga, PA
Over: CACOOSING CREEK
MOUNTAIN HOME ROAD, Berks, PA
Over: POPLAR RUN
1 MILE WEST OF NEWRY, Blair, PA
Over: APPLEMANS RUN
VILLAGE OF LIGHTSTREET, Columbia, PA
Over: OVER LEBOEUF CREEK BR
SUMMIT TOWNSHIP, Erie, PA
Over: SIDELING HILL CREEK
.5 MI.W.OF MADDENSVILLE, Huntingdon, PA
Over: TRIB. TO SWABIA CREEK
INDIAN CREEK ROAD, Lehigh, PA
Over: SPRING CREEK
2 M. N.OF PA 191 INTERS., Northampton, PA
Over: MAHANOY CREEK
EAST OF DORNSIFE, Northumberland, PA
Over: AMTRAK ; CONRAIL
N of Venango Street 29A02, Philadelphia, PA
Over: SEPTA (Chestnut Hill E.)
S of Stenton Avenue 16K02, Philadelphia, PA
Over: WALLENPAUPACK CREEK
GREENE TWP 1.5 M W TR 507, Pike, PA
Over: TAN CREEK
3 MI N OF BLOSSBURG, Tioga, PA
Over: TIOGA RIVER
1.5 MI. S. OF MANSFIELD, Tioga, PA
Showing 7,851-7,900 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.