Category: Capital Projects

CR 121 Weekly Construction Update

9/18/2026

9/18/26 @ 3:30 p.m.

Below is the weekly update for the County Road 121 construction project.

Activities that took place the week of September 14, 2026:

Drainage

Box culvert construction ongoing
Grading activities performed

Subgrade

Worked on subgrade, mixing, grading and compacting.

ROAD CLOSURE:
Total closure began on Tuesday, September 8, 2026, from Balderdash Place to .33 miles south of Horseshoe Circle South.

Box Culvert construction

Installed box culverts (S100 & S101) from Sta. 54+04 to Sta. 54+27
Installed under-drain surrounding S100/S101, 4'' drainpipe at North and South of the box culvert 744321
Began forming the footers for the wing walls and cutoff walls,
Installed re-bar with previously installed concrete forms four wing wall footers at S-100 and S-101
Tied steel for cutoff walls and bottom slab of 744321
Conducted link slab operations at S-100 and S-101.

Road Construction

Graded and compacted LT and RT roadwayatStas.36+65 to54+00and Sta.56+00 to Sta.88+00
Dirt crew maintained compliance for local traffic and driveways, keeping them suitable for travelers
MOT crew continues to maintain traffic control in accordance with project plans and FDOT standards
Conducted routine inspections of all signage, barrels, and devices to ensure proper placement and visibility
Set up Type 3 barricades and signs for theCR121 road closure
Minor adjustments are made as needed to maintain safety and traffic flow from Stations36+00 to 88+00.

Activities planned for the week of September 21, 2026

Continue box culver construction operations
Continue road construction 54+00 – 88+00
Cleaning activities throughout project area
Continue preparing for mitered end sections and pipe placement
Perform Maintenance of Traffic operations per plan and specification.

Planned dates and locations

Monday, September 21, 2026
Utilize land closures throughout project for mitered end sections and pipe placement

Activities: Mitered end sections and pipe placement, outside shoulders, sod placement
Continue box culvert (S-100/S-101) construction at Station 54+14 (approximately .83 miles North US-90, and 1.0 mile south of Horseshoe Cir. S.).

Tuesday, September 22, 206
Utilize land closures throughout project for mitered end sections and pipe placement

Activities: Mitered end sections and pipe placement, outside shoulders, sod placement
Continue box culvert (S-100/S-101) construction at Station 54+14 (approximately .83 miles North US-90, and 1.0 mile south of Horseshoe Cir. S.).

Wednesday, September 23, 2026
Utilize land closures throughout project for mitered end sections and pipe placement

Activities: Mitered end sections and pipe placement, outside shoulders, sod placement
Continue box culvert (S-100/S-101) construction at Station 54+14 (approximately .83 miles North US-90, and 1.0 mile south of Horseshoe Cir. S.).

Thursday, September 24, 2026
Utilize land closures throughout project for mitered end sections and pipe placement

Activities: Mitered end sections and pipe placement, outside shoulders, sod placement
Continue box culvert (S-100/S-101) construction at Station 54+14 (approximately .83 miles North US-90, and 1.0 mile south of Horseshoe Cir. S.).

Friday, September 25, 2026
Utilize land closures throughout project for mitered end sections and pipe placement

Activities: Mitered end sections and pipe placement, outside shoulders, sod placement
Continue box culvert (S-100/S-101) construction at Station 54+14 (approximately .83 miles North US-90, and 1.0 mile south of Horseshoe Cir. S.).

Friday, September 26, 2026
Utilize land closures throughout project for mitered end sections and pipe placement

Activities: Mitered end sections and pipe placement, outside shoulders, sod placement
Continue box culvert (S-100/S-101) construction at Station 54+14 (approximately .83 miles North US-90, and 1.0 mile south of Horseshoe Cir. S.)

Saturday, September 27, 2026

No work scheduled.

Sunday, September 28, 2026

No work scheduled.

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Amelia Island Parkway/Buccaneer Trail - Weekly Update

9/18/2026

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9/18/26 @ 2:30 p.m. - Below is the weekly update on the Amelia Island Parkway/Buccaneer Trail Roundabout Project.

Project Status:
The roundabout and trail remain open to traffic. Remaining work is lighting, punch list, and the final asphalt surface.

Upcoming Next Week:
On Monday, September 21, the new light poles will be delivered and installation will begin. The three existing poles will be deactivated, and temporary lighting will be placed at the intersection until the new fixtures are installed on the poles and energized.

Please watch for work crews and temporary lighting during this transition. The temporary lighting is being used so the intersection stays illuminated while the new system is brought online.

Continuing Work:

Punch list items will continue over the next few weeks
Final asphalt paving remains on track for the second weekend in October
Pole installation is being completed before the final lift of asphalt so construction equipment does not damage the finished friction course.

Thank you for your continued patience as we finish lighting, final paving, and closeout.

Questions or concerns? Please contact Project Administrator Rafael Castro, KCI Technologies, at [email protected] or Nassau County Capital Projects at [email protected].

-Sabrina Robertson
Communications Officer

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Celebrating the Amelia Island Trail

9/9/2026

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9/9/26 @ 2:00 p.m.

On August 26, Nassau County celebrated the ribbon cutting of a new trail connection, marking another exciting step in expanding recreational opportunities and connecting our community.

Take a look back at the celebration, hear from those who helped make the project possible, and see this newest addition to Nassau County’s growing trail network.

-Sabrina Robertson
Communications Officer

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Investing in Safety: Fire Rescue Station Planning

3/3/2026

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3/2/26 @ 5:00 p.m.

The Board of County Commissioners has released a new promotional video highlighting its commitment to thoughtful station planning and the continued expansion of EMS services to meet the needs of a growing community. The video emphasizes the County’s proactive approach to ensuring Fire Rescue infrastructure keeps pace with development, helping position Nassau County for long-term public safety success.

The video also features heartfelt testimonials from Nassau County Fire Rescue personnel who share why they chose to answer the call to serve and what it means to protect the community they call home. Their stories reflect a strong sense of purpose, teamwork, and dedication. Above all, the video celebrates the exceptional work performed each day by our public safety professionals, whose unwavering commitment helps keep Nassau County safe.

-Sabrina Robertson
Communications Officer

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Nassau County Mobility Plan

2/13/2026

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2/13/26 @ 11:00 a.m.

How does Nassau County plan for growth while keeping traffic moving? This video explains the County’s Mobility Plan, developed by the Board of County Commissioners to ensure new development pays for its impact on the transportation system.

For each proposed new structure, either home or business, roadway and intersection performance is analyzed to determine its impact on the local mobility network. Each affected roadway is measured against population growth and adopted level-of-service standards to identify capacity deficiencies and needed improvements. These data-driven evaluations help pinpoint where road and intersection upgrades are required, reducing congestion and supporting safe, efficient travel for residents now and in the future.

To learn more about Nassau County's Mobility Plan, please visit our website at https://nassaufl.co/mobility.

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Nassau County, Florida

CR 121 Weekly Construction Update

Amelia Island Parkway/Buccaneer Trail - Weekly Update

Celebrating the Amelia Island Trail

Investing in Safety: Fire Rescue Station Planning

Nassau County Mobility Plan

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