Total Bridges
14,867
Public highway bridges in Pennsylvania
State profile · Above median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Pennsylvania, based on the FHWA National Bridge Inventory.
Data updated May 2026
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 whose lowest applicable component is rated 0-4
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 by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Pennsylvania on the same metric.
MI
AK
PA
ND
LA
Six lowest-condition bridges in Pennsylvania, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
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: PA TURNPIKE(PA-66)GB-116
HEMPFIELD TOWNSHIP, Westmoreland, PA
Over: SR 4004, NFS RR
HEMPFIELD TWP, Westmoreland, PA
Over: SR 4004, NFS RR
HEMPFIELD TWP, Westmoreland, PA
Over: SR 0130
HEMPFIELD TWP, Westmoreland, PA
Over: SR 0130
HEMPFIELD TWP, Westmoreland, PA
Over: T-700
HEMPFIELD TWP, Westmoreland, PA
Over: T-700
HEMPFIELD TWP, Westmoreland, PA
Over: SR 6066
HEMPFIELD TOWNSHIP, Westmoreland, PA
Over: SR 6066
HEMPFIELD TOWNSHIP, Westmoreland, PA
Over: T-871
HEMPFIELD TWP, Westmoreland, PA
Over: T-871
HEMPFIELD TWP, Westmoreland, PA
Over: PA TPK (PA 66)
SALEM TWP, Westmoreland, PA
Over: PA TPK (I-76)
NEAR PLEASANT VALLEY, Westmoreland, PA
Over: SR 0993, BRUSH CK. & RR
WESTMORELAND CITY, Westmoreland, PA
Over: SR 4017; Brush Hill Rd
WESTMORELAND CITY, Westmoreland, PA
Over: T-755, Pennsylvania Ave.
WEST OF IRWIN INTERCHANGE, Westmoreland, PA
Over: SR 0030
IRWIN INTERCHANGE, Westmoreland, PA
Over: SR 0030
IRWIN INTERCHANGE, Westmoreland, PA
Over: PA TPK (I-76)
IRWIN INTERCHANGE, Westmoreland, PA
Over: SR 3093; Wentsler Road
NEW STANTON INTERCHANGE, Westmoreland, PA
Over: PA TPK (I-76)
NEW STANTON INTERCHANGE, Westmoreland, PA
Over: SR 3093
NEW STANTON, Westmoreland, PA
Over: SR 0070, RR & SEWICKLEY
NEAR NEW STANTON, Westmoreland, PA
Over: PA TPK (I-76)
EAST OF NEW STANTON, Westmoreland, PA
Over: PA TPK (I-76)
NEW STANTON REST AREA, Westmoreland, PA
Over: PA TPK (I-76)
NEAR CARPENTERTOWN, Westmoreland, PA
Over: SR 0981
CARPENTERTOWN, Westmoreland, PA
Over: T-485, Slope Hill Rd
EAST OF CARPENTERTOWN, Westmoreland, PA
Over: T-812
NORTH OF MT JOY, Westmoreland, PA
Over: PA TPK (I-76)
EAST OF MT JOY, Westmoreland, PA
Over: SR 2006, Mennonite Camp
NEAR SR982 & SR31 JCT, Westmoreland, PA
Over: PA TPK (I-76)
WEST OF DONEGAL INTERCHGE, Westmoreland, PA
Over: PA TPK (I-76)
WEST OF DONEGAL INTERCHGE, Westmoreland, PA
Over: PA TPK (RAMPS D & B)
DONEGAL INTERCHANGE, Westmoreland, PA
Over: PA TPK (I-76)
DONEGAL, Westmoreland, PA
Over: PA TPK (I-76)
NEAR FRANKLIN, Westmoreland, PA
Over: PA TPK (I-76)
NEAR KREGAR, Westmoreland, PA
Over: US 30 AND RAMP A (T605)
WESTMORELAND MALL ENTRANC, Westmoreland, PA
Over: THIRD STREET
REED AVENUE BRIDGE, Westmoreland, PA
Over: SR 3091
NEW STANTON BOROUGH, Westmoreland, PA
Over: SR 4027,REED ST,COAL RUN
NORTH HUNTINGDON TOWNSHIP, Westmoreland, PA
Over: PA TURNPIKE (I-76)
MT. PLEASANT TWP., Westmoreland, PA
Over: Johnson Av (was SR 3005)
ROSTRAVER TOWNSHIP, Westmoreland, PA
Over: SR 3003,ROSS ST,SPEER RN
ROSTRAVER TOWNSHIP, Westmoreland, PA
Over: PA 66
SALEM TWP, Westmoreland, PA
Over: PA TURNPIKE;I76;MP 90.14
DONEGAL TWP, Westmoreland, PA
Over: PA TURNPIKE;I76;MP 88.89
MT PLEASANT, Westmoreland, PA
Over: PA TURNPIKE;I76;MP 92.31
DONEGAL TWP, Westmoreland, PA
Over: RR/CONSTITUTION BLVD
BTW 11TH AND KENNETH AVE, Westmoreland, PA
Over: SR 0119
0.5 MI NORTH OF SR 3093, Westmoreland, PA
Showing 2,351-2,400 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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
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.
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.