FHWA NBI 2024 Inspection record Public-domain dataset

WISSAHICKON AVENUE

Carrying WISSAHICKON AVENUE over WISSAHICKON CREEK

1.3 MI S SR63 ADC 3144-E5, Montgomery, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
54 t Inventory load rating

Bridge Snapshot: WISSAHICKON AVENUE

The WISSAHICKON AVENUE bridge in Montgomery, Pennsylvania carries WISSAHICKON AVENUE over WISSAHICKON CREEK. It was built in 2002, making it 24 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.3 meters (47 feet) end to end. Daily traffic averages 700 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 54.4 metric tons.

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

How WISSAHICKON AVENUE compares

▲ 15.1
Load rating vs Pennsylvania average (39.3 t)
Top 10%
Higher load rating than 90% of Pennsylvania bridges
608
Bridges in Montgomery · 60 in Poor condition
WISSAHICKON AVENUE 54.4 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
98.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
54.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2002
Material
Prestressed Concrete
Number of Spans
1
Structure Length
14.3 m (47 ft)
Deck Width
15.2 m (50 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
700 vehicles/day
Structure Number
000000000041633

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • 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 WISSAHICKON AVENUE 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 WISSAHICKON AVENUE against other structures in Montgomery 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 WISSAHICKON AVENUE?

WISSAHICKON AVENUE in Montgomery, Pennsylvania has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is WISSAHICKON AVENUE inspected?

WISSAHICKON AVENUE'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 700 vehicles per day.

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

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

What is the inventory load rating for WISSAHICKON AVENUE?

WISSAHICKON AVENUE has an NBI inventory load rating of 54.4 metric tons.

Who is responsible for maintaining WISSAHICKON AVENUE?

WISSAHICKON AVENUE is owned and maintained by Town/Township Highway Agency.

How old is WISSAHICKON AVENUE and does age affect safety?

WISSAHICKON AVENUE was built in 2002, making it 24 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.