FHWA NBI 2024 Inspection record Public-domain dataset

PARKWAY EAST

Carrying PARKWAY EAST over SQ HILL TN VULT

UNDER W POTAL/SQ HILL TN, Allegheny, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
51 t Inventory load rating

Bridge Snapshot: PARKWAY EAST

The PARKWAY EAST bridge in Allegheny, Pennsylvania carries PARKWAY EAST over SQ HILL TN VULT. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 27.7 meters (91 feet) end to end. Daily traffic averages 75,287 vehicles, placing it in the heavily-trafficked tier of Pennsylvania bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 50.8 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How PARKWAY EAST compares

▲ 11.5
Load rating vs Pennsylvania average (39.3 t)
Top 14%
Higher load rating than 86% of Pennsylvania bridges
356
Bridges in Allegheny · 16 in Poor condition
PARKWAY EAST 50.8 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
78.0 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
13.0
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
50.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1955
Material
Concrete
Number of Spans
5
Structure Length
27.7 m (91 ft)
Deck Width
30.5 m (100 ft)
Owner
State Highway Agency
Avg Daily Traffic
75,287 vehicles/day
Structure Number
000000000043521

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether PARKWAY EAST is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare PARKWAY EAST against other structures in Allegheny and across Pennsylvania. Pennsylvania bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for PARKWAY EAST?

PARKWAY EAST in Allegheny, Pennsylvania has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is PARKWAY EAST inspected?

PARKWAY EAST's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 75,287 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. PARKWAY EAST is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for PARKWAY EAST?

PARKWAY EAST has an NBI inventory load rating of 50.8 metric tons.

Who is responsible for maintaining PARKWAY EAST?

PARKWAY EAST is owned and maintained by State Highway Agency.

How old is PARKWAY EAST and does age affect safety?

PARKWAY EAST was built in 1955, making it 71 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. 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.