FHWA NBI 2024 Inspection record Public-domain dataset

WALL AV

Carrying WALL AV over DIRTY CAMP RUN

453004 PITCAIRN BOROUGH, Allegheny, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: WALL AV

The WALL AV bridge in Allegheny, Pennsylvania carries WALL AV over DIRTY CAMP RUN. It was built in 1900, making it 126 years old today. It was last reconstructed in 1972, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 5,000 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 16.3 metric tons.

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

How WALL AV compares

▼ 23.0
Load rating vs Pennsylvania average (39.3 t)
Bottom 5%
Lower load rating than 95% of Pennsylvania bridges
356
Bridges in Allegheny · 16 in Poor condition
WALL AV 16.3 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
45.1 / 100 - historical 20–49.9 band
Structural adequacy /55
9.0
Serviceability /30
23.0
Essentiality /15
13.1
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
16.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1900
Last Reconstructed
1972
Material
Prestressed Concrete
Number of Spans
1
Structure Length
10.4 m (34 ft)
Deck Width
10.1 m (33 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,000 vehicles/day
Structure Number
000000000002661

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

WALL AV is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare WALL AV 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 WALL AV?

WALL AV in Allegheny, Pennsylvania has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is WALL AV inspected?

WALL AV'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 5,000 vehicles per day.

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

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

What is the inventory load rating for WALL AV?

WALL AV has an NBI inventory load rating of 16.3 metric tons.

Who is responsible for maintaining WALL AV?

WALL AV is owned and maintained by City/Municipal Highway Agency.

How old is WALL AV and does age affect safety?

WALL AV was built in 1900, making it 126 years old and last reconstructed in 1972.

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.