Montgomery County, PA

608 public highway bridges

Montgomery County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Montgomery County, Pennsylvania contains 608 public highway bridges. Roughly 30.6% are rated “Good,” 36.8% “Fair,” and 9.9% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

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

608
Total Bridges
30.6%
Good
36.8%
Fair
9.9%
Poor Condition

Condition Distribution

Good
30.6% (186)
Fair
36.8% (224)
Poor
9.9% (60)

All Bridges (608)

RAMP D-2 TO RT 422

Unknown

Over: RAMP B ( WB I76)/3366-H7

.2MI.S.GULPH RD 34C01, Montgomery, PA

Built 2003 ADT: 19,128

RAMP I

Unknown

Over: RAMP D / 3366-H7

.3MI.S.GULPH RD 3366H07, Montgomery, PA

Built 2003 ADT: 41,826

RAMP E

Unknown

Over: RAMP B / 3366-H7

.SMI.S.GULPH ROAD 34C01, Montgomery, PA

Built 2003 ADT: 19,128

SUMMIT AVENUE

Unknown

Over: T.R.309 BY-PASS

.5MI N.PA.TPK 3257-H08, Montgomery, PA

Built 2002 ADT: 31,886

FORT WASHINGTON AV

Unknown

Over: PA 309 BY-PASS/ 3257-H7

UPPER DUBLIN TWP, 30K03, Montgomery, PA

Built 2006 ADT: 31,567

MADISON AVENUE

Unknown

Over: PA 309 EXPRESSWAY

FORT WASH. 30K4/3257H8, Montgomery, PA

Built 2006 ADT: 31,567

WILLOW GROVE AVE.

Unknown

Over: PA 309 BY-PASS

LAVEROCK 3370B05, Montgomery, PA

Built 2007 ADT: 25,129

VALLEY GREEN ROAD

Unknown

Over: PA 309 FORT WASH EXPWAY

FT WASHNGTN 3369H01, Montgomery, PA

Built 2006 ADT: 27,676

US202-SR0202,LR143

Unknown

Over: PA. TRNPK( I-276)/3366K6

NEAR KING OF P 28E13, Montgomery, PA

Built 2006 ADT: 55,966

EASTON ROAD

Unknown

Over: PA 309 BY-PASS

CEDARBROOK 3370D07, Montgomery, PA

Built 2007 ADT: 25,129

PA 309 BY-PASS

Unknown

Over: PENNSYLVANIA AVE./SEPTA

FORT WASH. 3257H10, Montgomery, PA

Built 2008 ADT: 9,897

BELVOIR ROAD

Unknown

Over: PA TURNPIKE (I-276)

N. OF RIDGE PIKE 3368A3, Montgomery, PA

Built 2008 ADT: 65,138

PA 309 BY-PASS

Unknown

Over: COMMERCE DRIVE

FORT WASHINGTON 3257H09, Montgomery, PA

Built 2008 ADT: 9,800

PA 309 BY-PASS

Unknown

Over: PA TURNPIKE RAMP AB

FORT WASHINGTON INT., Montgomery, PA

Built 2008 ADT: 6,079

FLINT HILL ROAD

Unknown

Over: PA TPK (I-276)

S. OF BRIDGEPORT 3367-F05, Montgomery, PA

Built 2007 ADT: 65,138

PA TPK (RAMP Q)

Unknown

Over: SR 0309; PA TPK Ramp AB

FORT WASHINGTON INT., Montgomery, PA

Built 2009 ADT: 11,476

T-395

Unknown

Over: PA TPK (I-476)

TOWAMENCIN TWP, Montgomery, PA

Built 2008 ADT: 65,390

CONSHOHOCKEN ROAD

Unknown

Over: U MERION & PLYMOUTH RR

PLYMOUTH TWP. 3367K06, Montgomery, PA

Built 2011 ADT: 10

CEDAR HILL ROAD

Unknown

Over: TRAFFIC ROUTE 309

1.5 MI. N. SPRINGHOUSE, Montgomery, PA

Built 2009 ADT: 25,680

PA-309

Unknown

Over: NORRISTOWN ROAD

1.5 MI. W. PA-152 3257F02, Montgomery, PA

Built 2010 ADT: 9,569

PA-309 BYPASS

Unknown

Over: BETHLEHEM PIKE

3/4 MI. S. PA-63 3145E09, Montgomery, PA

Built 2010 ADT: 9,021

U.S. 202 PARKWAY

Unknown

Over: BETHLEHEM PIKE (PA-309)

.1 MI. S. U.S.202 3145B03, Montgomery, PA

Built 2012 ADT: 16,608

BETHEL ROAD

Unknown

Over: PA TPK N.E. EXT. (I-476)

NEAR CTR. SQUARE 3143K10, Montgomery, PA

Built 2008 ADT: 65,329

WALTON ROAD

Unknown

Over: PA TPK NE EXT. (I-476)

.5 MI. N. I-276 3256E10, Montgomery, PA

Built 2011 ADT: 65,329

DEKALB PIKE

Unknown

Over: PA TPK N.E. EXT. (I-476)

2.5 MI. N. I-276 3256C05, Montgomery, PA

Built 2011 ADT: 65,329

MORRIS ROAD

Unknown

Over: PA TURNPIKE EXT. (I-476)

.5 MI. E. PA363 3143J07, Montgomery, PA

Built 2011 ADT: 65,329

RIDGE ROAD

Unknown

Over: PA TPK (I-476)

3.25 MI. W. PA-309 2918H5, Montgomery, PA

Built 2014 ADT: 50,307

ARMAND HAMMER BLVD

Unknown

Over: POTTSTOWN BY-PASS

LOWER POTTSGROVE 3139B03, Montgomery, PA

Built 2014 ADT: 27,516

PA TPK (I-476)

Unknown

Over: SR 0073, Skippack Pike

Near N. Wales Rd 3256-A02, Montgomery, PA

Built 2014 ADT: 12,690

PA TPK (I-476)

Unknown

Over: LR 46154; SR 3001

Norristown, Montgomery, PA

Built 2014 ADT: 12,213

PA TPK (I-276)

Unknown

Over: SR 0611

West of WIllow Grove Intg, Montgomery, PA

Built 2014 ADT: 13,723

PA TPK (I-476)

Unknown

Over: T-403 (Wambold Rd)

N. of Landsdale int., Montgomery, PA

Built 2014 ADT: 12,208

VALLEY FORGE ROAD

Unknown

Over: COUNTY LINE EXPRESSWAY

422 INTERCHANGE 3366C04, Montgomery, PA

Built 2017 ADT: 44,235

RAMP B

Unknown

Over: U.S. 422

SR422/SR23 INTC. 3366C04, Montgomery, PA

Built 2018 ADT: 46,888

PA TPK (I-476)

Unknown

Over: S. Valley Forge Rd

1.23 mi South of SR 22, Montgomery, PA

Built 2018 ADT: 11,931

RAMP XY -GROSSTOWN

Unknown

Over: POTTSTOWN BYPASS

STOWE INTERCHANGE 3137K02, Montgomery, PA

Built 2019 ADT: 18,107

PLEASANT VIEW ROAD

Unknown

Over: POTTSTOWN EXPRESSWAY

SANATOGA 12C11 / 3139E02, Montgomery, PA

Built 2021 ADT: 27,516

S PARK ROAD

Unknown

Over: US 422

LOWER POTTSGROVE 3139G02, Montgomery, PA

Built 2023 ADT: 27,523

HARRISON AVENUE

Fair

Over: TACONY CREEK

0.93M SW OF SR73 3371-A10, Montgomery, PA

Built 1958 Load: 12.7 t ADT: 415

FOREST HILL DRIVE

Fair

Over: WILLOW RUN

300FT W OF WILLOW RUN RD, Montgomery, PA

Built 1985 Load: 14.5 t ADT: 100

KRIEBEL ROAD

Fair

Over: TRIB. TOWAMENCIN CREEK

0.2MI E OF BUSTARD RD, Montgomery, PA

Built 1970 Load: 20.9 t ADT: 3,000

PEEVY ROAD

Fair

Over: PERKIOMEN CREEK

.5 Mi S PA-29 ADC 2804-G4, Montgomery, PA

Built 1880 Load: 21.8 t ADT: 784

KERRWOOD DRIVE

Fair

Over: CROW CREEK

0.3mi N Croton Rd, Montgomery, PA

Built 1980 Load: 22.7 t ADT: 250

Hannah Avenue

Fair

Over: East Branch Stony Creek

500' S Twp Ln Rd 3256-B7, Montgomery, PA

Built 1980 Load: 23.6 t ADT: 1,190

PAWLINGS ROAD

Fair

Over: SCHUYLKILL RIVER

.9 Mi W of Pa-23 3365-E2, Montgomery, PA

Built 1987 Load: 24.5 t ADT: 12,103

SAND TRAP DRIVE

Fair

Over: LANDIS CREEK

0.2 MI W OF LEWIS RD, Montgomery, PA

Built 1993 Load: 24.5 t ADT: 250

JUSTIN DRIVE

Fair

Over: SAW MILL RUN

0.1 MI E OF SHEFFIELD DR, Montgomery, PA

Built 1985 Load: 24.5 t ADT: 100

HUNTINGDON PIKE

Fair

Over: PENNYPACK TRAIL

VALLEY FALL 3371-J02, Montgomery, PA

Built 1936 Load: 25.4 t ADT: 21,544

RIDGE PIKE

Fair

Over: PERKIOMEN CREEK

COLLEGEVILLE 3253-J01, Montgomery, PA

Built 1798 Load: 25.4 t ADT: 10,542

NORTH WALES ROAD

Fair

Over: STONY CREEK

1 MI. W. I-476 3255J4, Montgomery, PA

Built 1992 Load: 26.3 t ADT: 7,478
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.