DRAG

State Road (S.R.) A1A North Causeway Over Intracoastal Waterway (ICWW) Bridge Replacement Project

Road: S.R. A1A

Areas: St. Lucie County

Project Number: 429936-2-52-01

Project Length: 1.205 miles

Project Limits: From S.R.-5/US-1 to approximately 2,000 feet east of the existing bridge

Start Date: 1-May-23

Completion Date: Late 2027

Contractor: Vecellio & Grogan, Inc.

Estimated Construction Cost: $111,500,000

Samantha Kayser, Community Outreach Specialist, Phone: (772) 579-5479, Email: skayser@corradino.com

Scope of Work

The project improvements consist of constructing a new high-level fixed bridge connected directly to S.R. 5/US-1 going over the Florida East Coast (FEC) Railroad, Old Dixie Highway, and the Intracoastal Waterway (ICWW) featuring: one 12-foot travel lane in each direction, navigational clearances of 85 feet vertical and 125 feet horizontal at the waterway channel.
Installing a barrier-protected 8-foot sidewalk on the south side of the bridge and a barrier-protected 12-foot shared use path on the north side of the bridge
Installing 7-foot buffered bicycle lanes within the shoulders on both sides of S.R. A1A.
Constructing a 10-foot shared-use path along Old Dixie Highway to provide connectivity to the East Coast Greenway.
Building an observation deck beneath the west side of the new bridge structure.
Constructing a new access road under the bridge to businesses east of the FEC Railroad.
Extending Juanita Avenue from S.R. 5/US-1 to Old Dixie Highway; and connecting S.R. 5/US-1 and Old Dixie Highway along Sunny Lane.

FULL CLOSURE U.S. 1 from Naco to Juanita Ave Dec. 4

FULL CLOSURE S.R. A1A North Causeway Bridge Dec. 1-3 & Dec. 7-9

FULL CLOSURE U.S. 1 from Ave O to Old U.S. Hwy 1 Nov. 12-13

CR 605-Old Dixie Highway Traffic Shift on SR A1A to continue through late 2026

CR 605-Old Dixie Highway Traffic Shift on SR A1A to begin April 28

North Bridge Project Update - April 2025

FULL CLOSURE- SR A1A Closed Between US 1 and CR 605-Old Dixie Highway beginning Sept. 17

FULL CLOSURE- SR A1A Closed Between US 1 and CR 605-Old Dixie Highway beginning Sept. 3