McKean County, PA

166 public highway bridges

McKean County Bridge Snapshot

McKean County, Pennsylvania contains 166 public highway bridges in the FHWA National Bridge Inventory. Roughly 49.4% are rated “Good,” 26.5% “Fair,” 18.7% “Poor,” and 18.7% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in PA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

166
Total Bridges
49.4%
Good
18.7%
Poor
18.7%
Structurally Deficient

Condition Distribution

Good
49.4% (82)
Fair
26.5% (44)
Poor
18.7% (31)
SD
18.7% (31)

All Bridges (166)

S MECHANIC ST

Fair

Over: MARVIN CREEK

NEAR WILLOW ST INTERSECT, McKean, PA

Built 1993 Load: 58.1 t ADT: 1,500

SR 446-PA 446

Fair

Over: MCCREA RUN

BULLIS MILLS, McKean, PA

Built 1953 Load: 85.3 t ADT: 3,053

T-363 LAFFERTY HOL

Fair

Over: KENDALL CREEK

1000 FT NE OF SR 46, McKean, PA

Built 1995 Load: 91.6 t ADT: 150

FR 602

Good

Over: WILLOW CREEK

WILLOW BAY REC AREA, McKean, PA

Built 1965 Load: 11.7 t ADT: 75

SR 6 - US 6

Good

Over: POTATO CREEK

SMETHPORT BORO. LINE, McKean, PA

Built 2007 Load: 18.1 t ADT: 5,852

SR 219-US 219

Good

Over: MILL ST - B&P RAILROAD

CITY OF BRADFORD, McKean, PA

Built 2007 Load: 22.7 t ADT: 6,631

SR 219-US 219

Good

Over: MILL ST - B&P RAILROAD

CITY OF BRADFORD, McKean, PA

Built 2006 Load: 25.4 t ADT: 7,793

ON TSR 602

Good

Over: KINZUA CREEK

1 MI N MT JEWETT, McKean, PA

Built 2017 Load: 32.4 t ADT: 100

SR 446-PA 446

Good

Over: BARDEN BROOK

ELDRED BORO, McKean, PA

Built 1988 Load: 32.7 t ADT: 2,600

SR 346-PA 346

Good

Over: BRANCH FOSTER BROOK

1 MI E GILMORE, McKean, PA

Built 2014 Load: 32.7 t ADT: 1,742

FR 614

Good

Over: SUGAR RUN

0.1 MI S OF PA RT 321, McKean, PA

Built 1972 Load: 33.0 t ADT: 50

W Warren Rd

Good

Over: SHEPPARD RUN

CUSTER CITY, McKean, PA

Built 2016 Load: 33.4 t ADT: 1,404

Buck Run Road

Good

Over: E. Br. Clarion River

Elk State Forest, McKean, PA

Built 2019 Load: 33.4 t ADT: 10

T-378 GALICO CROSS

Good

Over: POTATO CREEK

1000 FT WEST OF SR 46, McKean, PA

Built 2012 Load: 33.7 t ADT: 200

SR 6-US 6

Good

Over: MARVIN CREEK

SMETHPORT, McKean, PA

Built 2013 Load: 34.3 t ADT: 1,852

SR 6 - US 6

Good

Over: OSTRANDER HOLLOW

3 MI W PORT ALLEGANY, McKean, PA

Built 2016 Load: 34.3 t ADT: 3,317

SR 646-PA 646

Good

Over: FOSTER BROOK

GILMORE, McKean, PA

Built 2017 Load: 35.0 t ADT: 979

SR 59- PA 59

Good

Over: BLACKSMITH RUN

SMETHPORT, McKean, PA

Built 2017 Load: 35.3 t ADT: 2,170

SR 6 - US6

Good

Over: LILLIBRIDGE CREEK

PORT ALLEGANY, McKean, PA

Built 2015 Load: 36.0 t ADT: 7,050

SR 6-US 6

Good

Over: WESTERN NY & PA RR

PORT ALLEGANY BORO, McKean, PA

Built 2008 Load: 36.3 t ADT: 3,317

SR 1011

Good

Over: MIX CREEK

2 MI NW ELDRED, McKean, PA

Built 2014 Load: 36.3 t ADT: 1,916

SR 770-PA 770

Good

Over: MINARD RUN

2 MI NW AIKEN, McKean, PA

Built 2014 Load: 36.3 t ADT: 2,035

T-357 PRATT HOLLOW

Good

Over: KENDALL CREEK

500 FT EAST OF SR 46, McKean, PA

Built 2014 Load: 36.3 t ADT: 90

SR 3006

Good

Over: KINZUA CREEK

WESTLINE, McKean, PA

Built 2020 Load: 36.9 t ADT: 143

T404 UPPER PORTAGE

Good

Over: PORTAGE CREEK

1200 FT WEST OF SR 155, McKean, PA

Built 2019 Load: 37.2 t ADT: 50

T-409 FOGEL CROSS

Good

Over: PORTAGE CREEK

1100' WEST OF SR 155, McKean, PA

Built 2007 Load: 37.3 t ADT: 100

SR 46-PA 46

Good

Over: Havens Run

3 MI SE BETULA, McKean, PA

Built 2019 Load: 37.3 t ADT: 500

Wilcox Clermont Rd

Good

Over: Seven Mile Run

6 MI SW CLERMONT, McKean, PA

Built 2018 Load: 37.3 t ADT: 294

T361 TOTTEN HOLLOW

Good

Over: KENDALL CREEK

275 FT NE OF SR 46, McKean, PA

Built 2001 Load: 38.1 t ADT: 100

T442 CHURCH HOLLOW

Good

Over: BELL RUN

600 FT EAST OF SR 1009, McKean, PA

Built 2005 Load: 38.1 t ADT: 10

SR 219-US 219

Good

Over: BOLIVAR RUN

BRADFORD BYPASS, McKean, PA

Built 2007 Load: 38.1 t ADT: 4,717

SR 219-US 219

Good

Over: BOLIVAR RUN

BRADFORD BYPASS, McKean, PA

Built 2007 Load: 38.1 t ADT: 5,568

SR 770-PA 770

Good

Over: MINARD RUN

3 MI SE DEGOLA, McKean, PA

Built 2014 Load: 38.6 t ADT: 2,035

SR 146 - PA 146

Good

Over: POTATO CREEK

1 MI S COLEGROVE, McKean, PA

Built 2017 Load: 38.6 t ADT: 137

SR 6- US 6

Good

Over: BLOOMSTER HOLLOW

KASSON, McKean, PA

Built 2017 Load: 38.6 t ADT: 1,852

SR 4001

Good

Over: LEWIS RUN

LEWIS RUN BORO, McKean, PA

Built 2012 Load: 38.9 t ADT: 1,659

SR 59-PA 59

Good

Over: BLACKSMITH RUN

1 MI W SMETHPORT, McKean, PA

Built 2018 Load: 38.9 t ADT: 2,170

Huffman Farm Road

Good

Over: Red Mill Brook

Elk State Forest, McKean, PA

Built 2019 Load: 38.9 t ADT: 10

LR 100 - SR 0155

Good

Over: ANNIN CREEK

TURTLEPOINT, McKean, PA

Built 2011 Load: 39.2 t ADT: 2,867

SR 44-PA 44

Good

Over: BELL RUN

MYRTLE, McKean, PA

Built 2013 Load: 39.2 t ADT: 2,217

SR 146-PA 146

Good

Over: RED MILL BROOK

3 MI E CLERMONT, McKean, PA

Built 2021 Load: 39.2 t ADT: 137

W Warren Rd

Good

Over: Sheppard Run

CUSTER CITY, McKean, PA

Built 2016 Load: 39.5 t ADT: 1,404

DERRICK RD (SR346)

Good

Over: Foster Brook

3 MI E BRADFORD, McKean, PA

Built 2017 Load: 39.5 t ADT: 3,154

SR 6-US 6

Good

Over: ALLEGHENY RIVER

1 MILE EAST OF SR 155, McKean, PA

Built 2008 Load: 39.9 t ADT: 3,317

W BRANCH RD

Good

Over: West Branch Potato Creek

BETULA, McKean, PA

Built 2017 Load: 39.9 t ADT: 45

T594 SLEEPY HOLLOW

Good

Over: MARILLA CREEK

AT SR 346 INTERSECTION, McKean, PA

Built 2018 Load: 39.9 t ADT: 75

ELM STREET

Good

Over: E Br TUNUNGWANT CREEK

500 FT EAST OF S DAVIS ST, McKean, PA

Built 2022 Load: 39.9 t ADT: 500

SR 219 - US 219

Good

Over: LEWIS RUN

1 MI S LEWIS RUN, McKean, PA

Built 2017 Load: 40.2 t ADT: 4,447

FR 150

Good

Over: KINZUA CREEK

0.2 MILES SOUTH OF FR 122, McKean, PA

Built 1934 Load: 40.2 t ADT: 15

SR 1017

Good

Over: SOUTH BRANCH KNAPP CREEK

1 MI SOUTH DUKE CENTER, McKean, PA

Built 2011 Load: 40.5 t ADT: 651

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial