State profile · Above national median SD

Pennsylvania bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Pennsylvania — drawn straight from the FHWA National Bridge Inventory.

14,867
Public bridges
37.4%
Good condition
10.5%
Poor condition
10.5%
Structurally deficient

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%

Pennsylvania vs national bridge condition

Pennsylvania — Good condition share 37.4%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Pennsylvania — Structurally deficient share 35.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Pennsylvania (FHWA NBI)

Pennsylvania37.42516983924127%35.29965695836416%10.499764579269524%10.499764579269524%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Pennsylvania (FHWA NBI)

Counties (67)

Adams 94 Allegheny 356 Armstrong 109 Beaver 84 Bedford 99 Berks 187 Blair 83 Bradford 114 Bucks 184 Butler 142 Cambria 67 Cameron 21 Carbon 29 Centre 183 Chester 285 Clarion 119 Clearfield 195 Clinton 147 Columbia 187 Crawford 263 Cumberland 239 Dauphin 283 Delaware 269 Elk 95 Erie 331 Fayette 341 Forest 51 Franklin 215 Fulton 97 Greene 209 Huntingdon 162 Indiana 214 Jefferson 140 Juniata 109 Lackawanna 212 Lancaster 509 Lawrence 162 Lebanon 221 Lehigh 255 Luzerne 307 Lycoming 301 McKean 166 Mercer 273 Mifflin 129 Monroe 214 Montgomery 608 Montour 74 Northampton 253 Northumberland 193 Perry 102 Philadelphia 584 Pike 108 Potter 145 Schuylkill 199 Snyder 106 Somerset 400 Sullivan 119 Susquehanna 284 Tioga 429 Union 163 Venango 189 Warren 217 Washington 655 Wayne 259 Westmoreland 619 Wyoming 140 York 569

Pennsylvania vs nearby ranks

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

Michigan

8.92% top marginal rate
Structure
Progressive
Burden @ $100K
$1,188

02

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909
Selected

42

Pennsylvania

10.50% top marginal rate
Structure
Progressive
Burden @ $100K
$14,867

38

North Dakota

10.84% top marginal rate
Structure
Progressive
Burden @ $100K
$4,242

22

Louisiana

11.00% top marginal rate
Structure
Progressive
Burden @ $100K
$12,699

Bridges Needing Most Attention in Pennsylvania

Six lowest-condition bridges in Pennsylvania, ranked by composite NBI rating. Each is inspected at least every 24 months.

SR0286

Poor

Over: KISKIMINETAS RIVER

SALTSBURG, Indiana, PA

Built 1985 Load: 0.9 t ADT: 4,169

T-783 HARRIS HILL

Structurally Deficient

Over: TOBYS CREEK

100 FT NE OF SR 309, Luzerne, PA

Built 1920 Load: 0.9 t ADT: 220

BRIDGE 2805,T-303

Structurally Deficient

Over: OVER SHENANGO RIVER TRIB

HEASLEY RD SHENANGO TWP, Mercer, PA

Built 1922 Load: 0.9 t ADT: 89

SR 3014

Poor

Over: LAUREL HILL CREEK

BARRONVALE, Somerset, PA

Built 1962 Load: 0.9 t ADT: 167

Clark Street

Structurally Deficient

Over: Fallen Timber Run

Clark St, Hooversville, Somerset, PA

Built 1910 Load: 0.9 t ADT: 100

SR 4012

Structurally Deficient

Over: LOYALSOCK CREEK

BORO OF FORKSVILLE, Sullivan, PA

Built 1850 Load: 0.9 t ADT: 137

All Bridges in Pennsylvania

PA 611 (LR 168)

Fair

Over: SCOT RUN

TANNERSVILLE, Monroe, PA

Built 1948 Load: 99.8 t ADT: 10,869

CHURCH ROAD

Fair

Over: TOOKANY CREEK

.3MI.E.READING RR 3370K08, Montgomery, PA

Built 1927 Load: 99.8 t ADT: 8,669

SANATOGA STA RD

Fair

Over: SPROGELS RUN

.4 MI S OF E HIGH 3139-C2, Montgomery, PA

Built 2001 Load: 99.8 t ADT: 500

PA TPK (I-276)

Fair

Over: PENNYPACK CREEK

WILLOW GROVE INTERCHANGE, Montgomery, PA

Built 1954 Load: 99.8 t ADT: 97,693

SUNNYBROOK ROAD

Fair

Over: LANDIS CREEK

0.4 MI E OF RIDGE PIKE, Montgomery, PA

Built 2003 Load: 99.8 t ADT: 500

SR 611(LR 165)

Fair

Over: MUD RUN

SANDTS EDDY, Northampton, PA

Built 2002 Load: 99.8 t ADT: 3,393

SR 1014

Fair

Over: W. B. SUSQUEHANNA RIVER

WATSONTOWN BORO RIVER BR., Northumberland, PA

Built 1927 Load: 99.8 t ADT: 3,765

Ryan Avenue

Fair

Over: Sandy Run

N of Sandyford Ave 19D08, Philadelphia, PA

Built 1929 Load: 99.8 t ADT: 8,700

US 209

Fair

Over: W. BR. SCHUYLKILL RIVER

LLEWELLYN @ E.BUNTING AVE, Schuylkill, PA

Built 1993 Load: 99.8 t ADT: 5,105

US 6

Fair

Over: CHARLESTON CREEK

0.25 MI E OF WELLSBORO, Tioga, PA

Built 1939 Load: 99.8 t ADT: 10,935

SR 4003

Fair

Over: BROUGHTON BROOK

0.75 MI SE OF WESTFIELD, Tioga, PA

Built 1952 Load: 99.8 t ADT: 104

SR 0019

Fair

Over: BR. LITTLE TENMILE CREEK

AMWELL TOWNSHIP, Washington, PA

Built 1965 Load: 99.8 t ADT: 2,808

SR 0019

Fair

Over: BRUSH RUN

PETERS TOWNSHIP, Washington, PA

Built 1940 Load: 99.8 t ADT: 23,832

SR 0022

Fair

Over: SAINT PATRICK RUN

ROBINSON TOWNSHIP, Washington, PA

Built 1968 Load: 99.8 t ADT: 26,066

SR 0040

Fair

Over: Out of Service CSX R/R

BUFFALO TOWNSHIP, Washington, PA

Built 1919 Load: 99.8 t ADT: 3,797

SR 0070

Fair

Over: BRANCH OF BUFFALO CREEK

BUFFALO TOWNSHIP, Washington, PA

Built 1960 Load: 99.8 t ADT: 28,637

SR 0070

Fair

Over: PIGEON CREEK

FALLOWFIELD TOWNSHIP, Washington, PA

Built 1949 Load: 99.8 t ADT: 28,172

SR 0070

Fair

Over: SOUTH BRANCH MAPLE CREEK

TWILIGHT BOROUGH, Washington, PA

Built 1952 Load: 99.8 t ADT: 26,234

SR 0088

Fair

Over: NORTH BRANCH FISHPOT RUN

EAST BETHLEHEM TOWNSHIP, Washington, PA

Built 1966 Load: 99.8 t ADT: 4,910

SR 4004

Fair

Over: LITTLE RACCOON RUN

SMITH & ROBINSON TWP., Washington, PA

Built 1928 Load: 99.8 t ADT: 4,084

SR 4004

Fair

Over: SAINT PATRICK RUN

ROBINSON TOWNSHIP, Washington, PA

Built 1968 Load: 99.8 t ADT: 924

SR 4007

Fair

Over: BRANCH OF RACCOON CREEK

SMITH TOWNSHIP, Washington, PA

Built 1970 Load: 99.8 t ADT: 3,144

SR 4020

Fair

Over: CHARTIERS CREEK

CANTON & S STRABANE TWP., Washington, PA

Built 1955 Load: 99.8 t ADT: 7,168

SR 4041

Fair

Over: Westland Mine Entry

MOUNT PLEASANT TOWNSHIP, Washington, PA

Built 1932 Load: 99.8 t ADT: 261

SR 8005

Fair

Over: BR. LITTLE TENMILE CREEK

AMWELL TOWNSHIP, Washington, PA

Built 1965 Load: 99.8 t ADT: 1,515

BALSAM SWAMP ROAD

Fair

Over: VAN AUKEN CREEK

.2 MI S. OF OLD RTE. 6, Wayne, PA

Built 2007 Load: 99.8 t ADT: 40

SR 0022

Fair

Over: WHITETHORN CREEK

SALEM TOWNSHIP, Westmoreland, PA

Built 1949 Load: 99.8 t ADT: 21,415

SR 0022

Fair

Over: SPRUCE RUN

DERRY TOWNSHIP, Westmoreland, PA

Built 1951 Load: 99.8 t ADT: 22,738

SR 0030

Fair

Over: BRANCH OF BRUSH CREEK

IRWIN BOROUGH, Westmoreland, PA

Built 1939 Load: 99.8 t ADT: 25,296

SR 0056

Fair

Over: CHARTIERS RUN

CITY OF LOWER BURRELL, Westmoreland, PA

Built 1957 Load: 99.8 t ADT: 7,463

SR 0056

Fair

Over: PINE RUN

ALLEGHENY TOWNSHIP, Westmoreland, PA

Built 1971 Load: 99.8 t ADT: 12,613

SR 0066

Fair

Over: Norfolk Southern Railway

CITY OF GREENSBURG, Westmoreland, PA

Built 1989 Load: 99.8 t ADT: 8,051

SR 0070

Fair

Over: SPEERS RUN

NORTH BELLE VERNON BORO., Westmoreland, PA

Built 1949 Load: 99.8 t ADT: 29,948

SR 0119

Fair

Over: JACKS RUN

SOUTH GREENSBURG BOROUGH, Westmoreland, PA

Built 1951 Load: 99.8 t ADT: 20,486

SR 0993

Fair

Over: BRUSH CREEK

NORTH HUNTINGDON TOWNSHIP, Westmoreland, PA

Built 1901 Load: 99.8 t ADT: 3,134

SR 0993

Fair

Over: BRUSH CREEK

NORTH HUNTINGDON TOWNSHIP, Westmoreland, PA

Built 1901 Load: 99.8 t ADT: 3,134

SR 0993

Fair

Over: BRUSH CREEK

NORTH HUNTINGDON TOWNSHIP, Westmoreland, PA

Built 1901 Load: 99.8 t ADT: 3,134

SR 4061

Fair

Over: POKE RUN

WASHINGTON TOWNSHIP, Westmoreland, PA

Built 1986 Load: 99.8 t ADT: 124

SR 8007

Fair

Over: BRANCH OF SEWICKLEY CK.

NEW STANTON BOROUGH, Westmoreland, PA

Built 1977 Load: 99.8 t ADT: 4,403

SOUTH SIDE ROAD

Fair

Over: ABANDONED RAILROAD

650' NORTH OF SR 993, Westmoreland, PA

Built 1998 Load: 99.8 t ADT: 100

SR 3047

Fair

Over: POSSUM HOLLOW RUN

INTERSECTION OF SR 3049, Westmoreland, PA

Built 2007 Load: 99.8 t ADT: 1,061

REYNOLDS AVENUE

Fair

Over: WESTERN MARYLAND RAILROA

0.1 MILES NORTH OF U.S. R, Adams, PA

Built 1958 Load: 99.9 t ADT: 1,448

FR 145

Good

Over: BIG SALMON CREEK

1.3 MILES N OF SR 3004, Forest, PA

Built 2023 ADT: 50

Campground Road

Good

Over: Brush Run

Shenango Day Use Area, Mercer, PA

Built 1975 ADT: 50

KRAMER No 113

Good

Over: MUD RUN

1 MI. SW. OF ROHRSBURG, Columbia, PA

Built 1881 Load: 0.9 t ADT: 10

T-675 FRAZIER BR.

Good

Over: LITTLE MUNCY CREEK

1.9 MI SW OF LAIRDSVILLE, Lycoming, PA

Built 1928 Load: 1.8 t ADT: 11

PENN GRANT RD

Good

Over: PEQUEA CREEK

2200 FT EAST OF SR 3028, Lancaster, PA

Built 1875 Load: 2.7 t ADT: 1,200

MIDDLE CREEK ROAD

Good

Over: COCALICO CREEK

1/2 MILE NW OF SR 1018, Lancaster, PA

Built 2010 Load: 2.7 t ADT: 50

FIFTH STREET

Good

Over: SANDY LICK CREEK

0.2 MILES WEST OF SR322, Jefferson, PA

Built 1954 Load: 4.5 t ADT: 673

SR 3001

Good

Over: SHERMANS CREEK

1 MI.E. OF NEW GERMANTOWN, Perry, PA

Built 1959 Load: 5.4 t ADT: 50

Showing 7,701-7,750 of 14,867 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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.