FHWA NBI 2024 Inspection record Public-domain dataset

CONSHOHOCKEN ST RD

Carrying CONSHOHOCKEN ST RD over MILL CREEK

110 FT NW SR23 ADC3478-G5, Montgomery, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating

Bridge Snapshot: CONSHOHOCKEN ST RD

The CONSHOHOCKEN ST RD bridge in Montgomery, Pennsylvania carries CONSHOHOCKEN ST RD over MILL CREEK. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 1 section, stretching 21.3 meters (70 feet) end to end. Daily traffic averages 11,417 vehicles, placing it in the heavily-trafficked tier of Pennsylvania bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 37.2 metric tons.

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

How CONSHOHOCKEN ST RD compares

▼ 2.1
Load rating vs Pennsylvania average (39.3 t)
Bottom 46%
Lower load rating than 54% of Pennsylvania bridges
608
Bridges in Montgomery · 60 in Poor condition
CONSHOHOCKEN ST RD 37.2 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
62.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
10.0
Essentiality /15
10.0
Special reductions
−3.0

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 How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1932
Material
Concrete
Number of Spans
1
Structure Length
21.3 m (70 ft)
Deck Width
11.9 m (39 ft)
Owner
County Highway Agency
Avg Daily Traffic
11,417 vehicles/day
Structure Number
000000000027985

Condition Analysis

  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether CONSHOHOCKEN ST RD 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 CONSHOHOCKEN ST RD 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 CONSHOHOCKEN ST RD?

CONSHOHOCKEN ST RD in Montgomery, Pennsylvania, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CONSHOHOCKEN ST RD inspected?

CONSHOHOCKEN ST RD'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 11,417 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CONSHOHOCKEN ST RD 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 CONSHOHOCKEN ST RD?

CONSHOHOCKEN ST RD has an NBI inventory load rating of 37.2 metric tons.

Who is responsible for maintaining CONSHOHOCKEN ST RD?

CONSHOHOCKEN ST RD is owned and maintained by County Highway Agency.

How old is CONSHOHOCKEN ST RD and does age affect safety?

CONSHOHOCKEN ST RD was built in 1932, making it 94 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.