Bridge Rehabilitation Project to Impact Traffic for Months in Martin County
- Meeting Overview:
The Martin County Council meeting focused on the upcoming rehabilitation of the Dixie Highway Bridge over the St. Lucie River, a significant infrastructure project expected to disrupt local traffic for four to five months. The council discussed alternative routes and scheduling concerns, emphasizing the impact on community mobility and safety. Other topics included updates on the Willoughby Boulevard extension and the State Road 710 widening project, highlighting ongoing efforts to improve transportation infrastructure while addressing safety and environmental concerns.
The planned rehabilitation of the Dixie Highway Bridge, also known as the old Roosevelt Bridge, was the most pressing topic of the meeting. Representatives from the Florida Department of Transportation (FDOT) and HDR Consulting provided a detailed overview of the bridge’s history and the extensive improvements required. Built in 1918 as a swing-span structure, the bridge has seen multiple modifications, with its last upgrade in 1996. The current project aims to enhance safety and functionality with upgrades to the sidewalk surface, electrical system replacements, and painting of the structure.
Specific improvements will include the replacement of aluminum tea gratings on sidewalks with solid aluminum plates, intended to boost safety and accessibility. Maintenance access will be enhanced with the construction of stairs to facilitate easier equipment access without hindering pedestrian movement. Additionally, a complete overhaul of the electrical control system is planned to address frequent operational issues, along with mechanical repairs to the span locks, which ensure proper alignment when the bridge is closed.
Concerns about bicycle safety were raised, particularly the narrow sidewalks where cyclists often navigate the bridge. Plans to create solid paths for cyclists and discussions on potential bicycle pavement markings were highlighted, with FDOT suggesting that such measures should be part of a larger project to ensure consistency and ease of maintenance.
The project will also update the bridge’s control house with a sanitary line connecting to the city’s pump station, replacing the existing marine burner system. Corrosion issues on the bridge deck, attributed to saltwater exposure from boats, will be addressed with an epoxy coating to protect the structural integrity. Environmental considerations are being taken into account, with measures to protect local wildlife and marine species during the rehabilitation process. Traffic impacts are a concern, with a phasing plan indicating full lane closures and single leaf openings necessary during certain work phases. A timeline was outlined, with the bidding process set to begin on May 8, followed by a 30-day advertisement period and contractor selection expected by late summer.
Following the in-depth discussion on the bridge, the council addressed the development of the Willoughby Boulevard extension, a project aimed at accommodating projected growth and enhancing mobility. The FDOT project manager presented the status of the study, emphasizing the need for improved safety for cyclists and pedestrians. Concerning crash statistics were shared, highlighting the vulnerabilities of non-motorized road users. The study involves evaluating two corridors, with a focus on new construction and the reconstruction of existing roadways to improve safety and reduce congestion.
The council also reviewed a simulation model predicting a 36% reduction in travel time for routes involving the new corridor compared to current conditions. No impacts were foreseen for other natural features in the vicinity. Discussions about the analysis of Corridor 2 versus Corridor 1 revealed differing opinions among council members regarding residential impact and neighborhood character. A public workshop is planned to present alternatives to the community.
State Road 710 improvements were another focal point, with updates provided on the widening project. The project is segmented into phases, with challenges noted in negotiations regarding easements for transmission lines and potential impacts on future expansions. The goal remains to balance transportation improvements with minimal disruption to existing infrastructure and the community.
Lastly, the council touched on the development of an overpass, with pending plans from the Florida East Coast Railway (FEC). The estimated construction cost is projected at $150 million, with potential reductions if certain elements are deferred. The urgency of addressing safety concerns, particularly due to frequent accidents on corridors like 710 and 714, was emphasized. The council discussed available funding options for road improvements and the need for immediate action to prevent further incidents.
Don Donaldson
County Council Officials:
Eileen Vargas, Stacey Hetherington, J. Blake Capps, Sarah Heard, Edward V. Ciampi
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Meeting Type:
County Council
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Committee:
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Meeting Date:
04/20/2026
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Recording Published:
04/20/2026
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Duration:
106 Minutes
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Notability Score:
Routine
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State:
Florida
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County:
Martin County
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Towns:
Hobe Sound, Indiantown, Jensen Beach, Jupiter Island, North River Shores, Ocean Breeze, Palm City, Port Salerno, Rio, Sewalls Point, Stuart
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