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: LITTLE ELK RUN
6 MI W OF ROARING BRANCH, Lycoming, PA
Over: PORTAGE CREEK
1100' WEST OF SR 155, McKean, PA
Over: Havens Run
3 MI SE BETULA, McKean, PA
Over: Seven Mile Run
6 MI SW CLERMONT, McKean, PA
Over: BOBBY RUN
CITY OF HERMITAGE, Mercer, PA
Over: OVER TURKEY RUN
OAK HILL RD.,SHENANGO TWP, Mercer, PA
Over: BEAVERDAM RUN
1500 FT SE OF SR 22, Mifflin, PA
Over: W. BRANCH INDIAN CREEK
.3 Mi SW US-30 3588-G2, Montgomery, PA
Over: TRIB. LITTLE NESHAMINY
1/2 MI. N. PA-63 3145B04, Montgomery, PA
Over: T-369, Wentz Rd
Near Jolly Rd, Montgomery, PA
Over: PA TPK (I-476)
1.25 MI. N PA-113 2918K09, Montgomery, PA
Over: SCHUYLKILL RIVER
3/4 MILE W. PA-100 3138B2, Montgomery, PA
Over: SCHUYLKILL RIVER & NSRC
BETZWOOD BRIDGE 3366C03, Montgomery, PA
Over: RIDGE VALLEY CREEK
.25 MiE PA-63 ADC 2917-J8, Montgomery, PA
Over: E. Br. Monocacy Creek
Between PA 512 & 191, Northampton, PA
Over: HOKENDAUQUA CREEK
NORTH OF KLECKNERSVILLE, Northampton, PA
Over: OVER CHILLISQUAQUE CR.
0.5 MI E OF POTTSGROVE, Northumberland, PA
Over: Shermans Creek
1.0 miles E.of DELLVILLE, Perry, PA
Over: Manayunk Canal
West of Main Street, Philadelphia, PA
Over: CAMBRIA STREET
N.OF LEHIGH AVE. 3591C04, Philadelphia, PA
Over: GENESEE RIVER
ULYSSES, Potter, PA
Over: ROLLING GREEN RUN
1.5 MI SW OF SHAMOKIN DAM, Snyder, PA
Over: TUBS RUN
BEECHDALE, Somerset, PA
Over: BIGBY CREEK
1.5 MI SW OF GARRETT, Somerset, PA
Over: STONYCREEK RIVER
HOOVERSVILLE BORO, Somerset, PA
Over: TUB MILL RUN
FORBES STATE FOREST, Somerset, PA
Over: ELK LICK CREEK
2 MI WEST OF SR 2004, Somerset, PA
Over: LITTLE LOYALSOCK CREEK
DUSHORE BORO, Sullivan, PA
Over: N BR TUNKHANNOCK CREEK
LENOX TWP 198' E TR 92, Susquehanna, PA
Over: Beaver Creek
NEW MILFORD .6 M W TR 11, Susquehanna, PA
Over: LOSEY CREEK
1 MI NW OF KEENEYVILLE, Tioga, PA
Over: MILL CREEK
0.25 MI N OF ROARING BRAN, Tioga, PA
Over: KELSEY CREEK
WELLSBORO BOROUGH, Tioga, PA
Over: Holden Creek
2 Mi NW of OSCEOLA, Tioga, PA
Over: TRIBUTARY BUFFALO CREEK
3 MI NE HARTLETON BORO, Union, PA
Over: SIX MILE RUN
MEAD TOWNSHIP, Warren, PA
Over: Branch of Chartiers Ck.
1.5 mi N from SR 0019, Washington, PA
Over: MILLERS RUN
MOUNT PLEASANT TOWNSHIP, Washington, PA
Over: CANONSBURG LAKE
300' WEST OF SR 19, Washington, PA
Over: LITTLE EQUINUNK CRK
MANCHESTR TP 5.5M E TR191, Wayne, PA
Over: ROARING RUN
WINDHAM TP 1.5M N SR 4004, Wyoming, PA
Over: TRIB OF S BR CODORUS CR
1 MI. W. LEADER HEIGHT, York, PA
Over: OIL CREEK
JACOBS MILLS, York, PA
Over: PERRYMILL RUN
PG04 PANGBURN HOLLOW #4, Allegheny, PA
Over: PA TPK (I-76)
Indiana Township, Allegheny, PA
Over: CROOKED CREEK
3.2mi NW SR2027 Intersec., Armstrong, PA
Over: PLUM CREEK
0.2mi E of SR 210 INT, Armstrong, PA
Over: COWANSHANNOCK CREEK
RURAL VALLEY NO.3, Armstrong, PA
Over: SCHUYLKILL RIVER
BIRDSBORO RIVER BRIDGE, Berks, PA
Over: LITTLE SWATARA CREEK
0.2 MI.E.OF PA501, Berks, PA
Showing 9,651-9,700 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 |