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: Toby Creek
OLD RT 11 KINGSTON TWP, Luzerne, PA
Over: Big Run
VILLAGE OF LAIRDSVILLE, Lycoming, PA
Over: SUGAR RUN
0.1 MI S OF PA RT 321, McKean, PA
Over: HUNTER RUN
SPRINGFIELD TWP., Mercer, PA
Over: KEIPER RUN CREEK
0.33 MI. W. Of PA 115, Monroe, PA
Over: ABRAMS CREEK
.35 MI SW Rt 23 3366-J5, Montgomery, PA
Over: EAST BR. PERKIOMEN CREEK
.75 MI. W. PA113 3030D07, Montgomery, PA
Over: SUNNYBROOK CREEK
3369-G3 ADC 2008, Montgomery, PA
Over: UNNAMED TRIB. MINISTER C
0.3 Mi E SR663; 3027-H3, Montgomery, PA
Over: Boile Run
.25 MI E OF FISHERS FERRY, Northumberland, PA
Over: HORSE VALLEY RUN
TOBOYNE TOWNSHIP, Perry, PA
Over: Wildcat Creek
SHARON CENTER, Potter, PA
Over: MIDDLE CREEK
2 MI WEST MIDDLEBURG, Snyder, PA
Over: BEAVER DAM CREEK
0.6 MI. NORTH OF SR 30, Somerset, PA
Over: Stonestreet Creek
Forst Lke TP .8M N SR4012, Susquehanna, PA
Over: Over Two Mile Run
3.5 miles north of SR 8, Venango, PA
Over: MIDDLE CREEK
PAUPACK TWP 1.4M E SR3031, Wayne, PA
Over: INDIAN CREEK
DONEGAL TOWNSHIP, Westmoreland, PA
Over: TURTLE CREEK
MUNICIPAL OF MURRYSVILLE, Westmoreland, PA
Over: Sewickley Creek
Yukon, Westmoreland, PA
Over: TRIB S BR CONEWAGO CREEK
W.END HANOVER, York, PA
Over: PA TPK (I-76)
Fairview Twp/SR 1003, York, PA
Over: KREUTZ CREEK
1.5 MILE SE OF HALLAM, York, PA
Over: Mill Creek
1.1 MI EAST OF YORK CITY, York, PA
Over: PA TPK (I-76)
East of Butler Valley Int, Allegheny, PA
Over: GUYS RUN
1/2 MI. N. of SR 28, Allegheny, PA
Over: MCLAUGHLIN RUN
200'W.OF INTER.W/SR 3004, Allegheny, PA
Over: TAYLOR RUN
6 MI S FORD CITY, Armstrong, PA
Over: Camp Run
850' E of Int. Camp Run R, Beaver, PA
Over: SWEET ROOT CREEK
2 MI SE OF RAINSBURG, Bedford, PA
Over: Muddy Creek
750ft N SR 422 Intersect., Butler, PA
Over: FOX RUN
NORTHERN CAMBRIA BORO, Cambria, PA
Over: PENNS CREEK
50 FT WEST OF SR 2012, Centre, PA
Over: TROUT CREEK
0.5Mi W PA-252 3366-A8, Chester, PA
Over: SAW MILL RUN
BURNSIDE, Clearfield, PA
Over: OVER ADSIT RUN
SADSBURY TOWNSHIP, Crawford, PA
Over: OVER FRENCH CREEK
FAIRFIELD TWP, Crawford, PA
Over: Conodoguinet Creek
0.3 MI WEST OF LR 21062, Cumberland, PA
Over: Straight Creek
Elk State Forest, Elk, PA
Over: TR.LITTLE ELK CK.
GIRARD TOWNSHIP, Erie, PA
Over: Branch of Breakneck Run
0.5 M. East of SR 1019, Fayette, PA
Over: OVER ALLEGHENY RIVER
TIONESTA TOWNSHIP, Forest, PA
Over: Trout Run
Lurgan Twp, Franklin, PA
Over: Barnetts Run
2.0 MI SW of Needmore, Fulton, PA
Over: TROUGH SPRING BRANCH
0.5 MILE SOUTH OF SR 2008, Huntingdon, PA
Over: ROBINSON RUN
2.5 MI S OF ALEXANDRIA, Huntingdon, PA
Over: SHOUP RUN
91 FEET WEST FROM SR 3013, Huntingdon, PA
Over: GREAT TROUGH CREEK
.4 M.E.SR3019,ROBERTSDALE, Huntingdon, PA
Over: Marshall Run
Conemaugh Township, Indiana, PA
Over: RR & STAFFORD MEADOW BR
SCRANTON CTY 2M N SR 3016, Lackawanna, PA
Showing 8,301-8,350 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). 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.