Maryland Expands Baltimore Bridge Lead-Paint Investigation After Second Structure Raises Contamination and Cleanup Questions

State regulators broaden inspection after lead-contaminated paint chips found below a North Baltimore bridge

Maryland environmental officials have expanded a lead-related investigation involving Baltimore-owned transportation infrastructure after testing linked falling paint chips from one city bridge to hazardous contamination and additional concerns emerged at a second location.

The expanded scrutiny follows findings tied to the West 28th Street bridge, an overpass spanning the Jones Falls corridor near Falls Road and a heavily used trail. Field observations documented bright paint chips scattered on the ground and in areas that drain toward the Jones Falls. Laboratory testing of collected debris identified elevated lead levels, and some samples also contained polychlorinated biphenyls (PCBs), triggering a formal state enforcement action against the city.

State inspectors documented the presence of paint debris beneath the 28th Street overpass in early February 2026 and later issued a violation notice following lab results.

Second bridge location draws attention as winter conditions accelerate paint failure

As the state response moved forward, attention shifted to additional sites where deteriorating coatings may be shedding material. The state’s expanded investigation includes at least one other bridge or overpass where paint chips have been reported, raising questions about how widespread lead-bearing coatings may be across older structures and what immediate containment steps are necessary in high-traffic public areas.

Freeze-thaw cycles can worsen cracking and delamination on aging painted steel and concrete, increasing the likelihood that chips detach and migrate through storm drains or directly into waterways. In corridors that serve pedestrians and cyclists, debris can also accumulate along shoulders, embankments and trail edges, creating potential exposure routes through contact with dust and tracked material.

Public health and environmental stakes

Lead is a toxic metal with well-established risks, particularly for children, and it can persist in soil and sediment once deposited. PCBs, when present, add additional long-term environmental management complexity because they can remain in the environment for decades and require specialized handling and disposal.

The combination of contaminants affects how cleanup must be conducted. Rather than routine sweeping, debris may need controlled collection, confirmation sampling, and disposal as regulated waste, alongside measures to prevent additional chips from falling while remediation planning is underway.

What enforcement and remediation typically involve

State enforcement actions generally require a written response from the property owner, documentation of corrective measures, and a plan for preventing further releases. Depending on findings, regulators can require site cleanup, ongoing monitoring, and deadlines for containment and removal.

• Immediate actions can include restricting access to affected areas and stabilizing loose paint.
• Cleanup may involve vacuum-assisted collection, debris containment, and proper waste characterization.
• Follow-up testing can be used to verify that contamination has been removed to acceptable levels.

Broader context: lead enforcement remains active in Maryland

The bridge investigation is unfolding against a broader backdrop of intensified enforcement and oversight in Maryland’s lead-control landscape, including recent state actions involving improper lead practices and scrutiny of inspection and certification processes. Together, these cases underscore how legacy materials and compliance failures can translate into real-world exposure risks, particularly in dense urban settings where infrastructure, waterways and residential neighborhoods intersect.

City and state officials have not released a full timeline for completion of the expanded bridge review, but the scope now includes determining whether additional structures require immediate containment, cleanup, or longer-term rehabilitation to prevent recurring releases.