Concrete Fails, Safety Fails
A bridge sidewalk is easy to overlook — until deterioration becomes a public safety risk.
That was the situation identified during a Priority 1 bridge inspection performed by Michael Baker International for the City of McKeesport on the Ramp Two Road Bridge over the CSX Railroad and Pacific Avenue. The inspection documented hazardous sidewalk deterioration, exposed reinforcing steel, open deck penetrations, active water intrusion, and significant pedestrian trip hazards requiring immediate corrective action.
The deteriorated areas included:
Severe sidewalk spalling
Through-holes beneath railing posts
Exposed and corroded reinforcing steel
Open cracks extending through the deck
Active moisture infiltration contributing to ongoing deterioration below the structure
The engineering assessment classified the conditions as Priority 1 Maintenance Items requiring rapid response. Michael Baker Report
HE PROBLEM WITH “TEMPORARY FIXES”
The original engineering report specifically warned against asphalt patching as a permanent solution for the bridge deck, noting that asphalt repairs accelerate concrete deterioration and should only serve as temporary mitigation.
That distinction matters.
Too often, deteriorated infrastructure is “patched” instead of rehabilitated:
Water intrusion pathways remain active
Corrosion mechanisms continue below the surface
Concrete deterioration accelerates internally
Repair cycles become increasingly expensive
Infrastructure does not heal itself.
If deterioration mechanisms remain active beneath the surface, failure simply returns.
THE SURTREAT / CSC RESTORATION APPROACH
Surtreat Solutions and CSC completed targeted restoration of the hazardous sidewalk areas identified in the inspection report.
The restoration program focused on:
Eliminating hazardous pedestrian conditions
Removing unsound concrete
Restoring deteriorated sidewalk sections
Repairing spalled and delaminated areas
Sealing open holes and cracks
Mitigating water intrusion pathways
Re-establishing safe, continuous walking surfaces
Rather than applying a superficial patch, the repairs were executed as part of a broader concrete rehabilitation strategy focused on long-term serviceability and durability.
FROM HAZARD TO RESTORED SERVICEABILITY
The completed repairs transformed areas that previously contained:
Open voids
Exposed rebar
Through-deck cracking
Active spalling
Pedestrian trip hazards
Moisture infiltration pathways
into stabilized, restored sidewalk sections with improved continuity and safety.
Before Restoration:
Severe concrete deterioration
Active water intrusion
Unsafe pedestrian conditions
Structural deterioration mechanisms still progressing
After Restoration:
Continuous walking surfaces restored
Hazardous defects eliminated
Open penetrations sealed
Water intrusion mitigated
Public safety improved
Long-term deterioration pathways interrupted
WHY THIS MATTERS
Infrastructure deterioration is rarely isolated.
A sidewalk spall today becomes:
Corrosion expansion tomorrow
Structural deterioration next year
Major capital replacement later
In this project, the inspection report also documented deterioration occurring below the sidewalk where moisture was penetrating through the deck onto structural components beneath the bridge.
By addressing these defects early, the restoration:
Reduced ongoing moisture migration
Limited continued deterioration
Preserved existing structural assets
Improved public safety
Reduced future repair exposure
INFRASTRUCTURE PRESERVATION IS PUBLIC STEWARDSHIP
Every bridge owner faces the same question:
Repair deterioration now — or pay exponentially more later.
Proactive rehabilitation:
Extends infrastructure service life
Preserves taxpayer investment
Minimizes emergency repairs
Improves safety
Reduces long-term lifecycle costs
The McKeesport bridge sidewalk restoration demonstrates how targeted rehabilitation can successfully address both immediate hazards and long-term durability concerns before deterioration escalates further.
DON’T WAIT FOR A PRIORITY 1 FAILURE
Most concrete deterioration begins long before it becomes visible.
By the time spalling, exposed rebar, or structural distress appear, the damage process is already well underway beneath the surface.
The question is not whether deterioration is occurring.
The question is how early you choose to stop it.