MAJOR MILESTONE ACHIEVED AT SIGNATURE BRIDGE ARCH #6
The project team recently reached another major milestone with the successful completion of the foundation pour for Signature Bridge Arch #6, located adjacent to the Phillip and Patricia Frost Museum of Science. This was the second-largest concrete and most complex foundation pour of the entire project and represents a significant step toward construction of one of the two remaining arches.
The foundation measures 120 feet long, 50 feet wide, and 16 feet deep, and required approximately 3,672 cubic yards of concrete, delivered by 408 concrete trucks, placed by four concrete pumps (with a fifth on standby). To ensure the concrete cures properly, crews installed an advanced cooling system consisting of more than 30,000 feet of tubing circulating chilled water from a large industrial chiller, with a backup chiller on site for redundancy.
Photos below highlight key moments from this milestone operation.







I-95 ONGOING CONSTRUCTION ACTIVITIES
- Installation of Intelligent Transportation System devices
- Concrete pavement replacement on I-95 between NW 8 Street and NW 17 Street southbound lanes
- Widening of the southbound I-95 ramp to NW 14 Street completed
- Traffic railing retrofit on several bridges
I-95 LANE CLOSURES
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – Up to two lanes on southbound I-95 from NW 29 Street to NW 8 Street will be closed as needed between 9 p.m. and 5:30 a.m. The Friday closures will be implemented between 11 p.m. and 8 a.m.
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – Up to two lanes on northbound I-95 will be closed as needed from NW 8 Street to NW 29 Street between 9 p.m. and 5:30 a.m. The Friday closures will be implemented between 11 p.m. and 8 a.m.
NORTHBOUND I-95 RAMP TO WESTBOUND S.R. 836 DETOUR
- Wednesday, July 22 and Thursday, July 23 – The northbound I-95 ramp to westbound S.R. 836 will be closed between 10 p.m. and 5:30 a.m. Drivers can:
- Go north on I-95, then exit at NW 62 Street
- Turn left at NW 62 Street to access the southbound I-95 ramp
- Use the southbound I-95 exit to westbound S.R. 836 (Exit 3A)
To view a map of the detour, please click here.
I-395 ONGOING CONSTRUCTION ACTIVITIES
- Drainage work along Biscayne Boulevard from NE 14 Street to NE 11 Terrace and on NE 13 Street from Biscayne Boulevard to NE 2 Avenue
- Construction of signature bridge arch foundations east of Biscayne Boulevard and west of NE 2 Avenue
- Reinforcing steel installation and ongoing concrete pours for the westbound signature bridge roadway deck
- Daytime installation of precast roadway segments and concrete pours on NW 14 Street from NW 1 Place to NW 3 Avenue
- Roadway operations on I-395 from MacArthur Causeway to I-95
- Nighttime arch construction work over Biscayne Boulevard requiring full closures from NE 13 Street to NE 11 Terrace
- Construction of columns and installation of bridge beams from NW 1 Avenue to I-95
NOTE: Nearby residents and businesses may experience periods of higher-than-normal noise levels during these activities. All efforts are being made to minimize noise levels to the fullest extent possible.
CLOSURE OF WESTBOUND I-395 AT BISCAYNE BOULEVARD AND THE DOWNTOWN RAMP TO I-395
Thursday, July 23 and Tuesday, July 28 – Drivers should expect overnight closures of westbound I-395 and the downtown Miami entrance ramp to I-395 from 11 p.m. to 5:30 a.m. to allow crews to safely deliver and erect bridge beams. Closure times may be adjusted to accommodate special events.
Westbound I-395 Closure at Biscayne Boulevard Detour:
- Exit at the Biscayne Boulevard ramp, and turn left on Biscayne Boulevard
- Continue south on Biscayne Boulevard, then turn right on NE 6 Street
- Continue east on NE/NW 6 Street and turn left on NW 7 Avenue
- Turn right on NW South River Drive onto NW 7 Street
- Turn right on NW 17 Avenue to access the ramp to westbound S.R. 836
Drivers continuing to I-95 can:
- Exit at the Biscayne Boulevard ramp, and turn left on Biscayne Boulevard
- Continue south on Biscayne Boulevard and turn right on NE 6 Street
- Turn right on NW 3 Avenue to access the NORTHBOUND I-95 RAMP or
- Turn left on NW 3 Court to access the SOUTHBOUND I-95 RAMP
To view a map of the detours, please click here.
Downtown Ramp to Westbound I-395 Detour:
- Drivers heading north on I-95 can:
- Go north on NE 1 Avenue, then turn left on NE 14 Street
- Turn left on North Miami Avenue, turn right on NW 8 Street
- Turn right on NW 3 Avenue to access the ramp to northbound I-95
- Drivers heading south on I-95 can:
- Go north on NE 1 Avenue, then turn left on NE 14 Street
- Turn left on North Miami Avenue, turn right on NW 8 Street
- Turn left on NW 3 Court to access the ramp to southbound I-95
- Drivers heading west on S.R. 836 can:
- Go north on NE 1 Avenue, then turn left on NE 14 Street
- Continue on west on NW 14 Street, then make a slight left at NW 13 Terrace
- Turn right on NW North River Drive, then turn left on NW 17 Avenue
- Go over the Miami River Bridge and access the ramp to westbound S.R. 836
To view a map of the detour, please click here.
CONTINUOUS LANE CLOSURES ON NE 13 STREET AND BISCAYNE BOULEVARD FOR CRITICAL DRAINAGE WORK

The weekend closure on NE 13 Street, noted below and shown above is being implemented to allow the project contractor to continue the installation of new drainage pipes and structures across NE 13 Street to enhance the drainage capacity in the area:
Friday, July 24 through Monday, July 27
Biscayne Boulevard and NE 13 Street will be fully closed on the following dates and times:
- Starting at 10 p.m. on Friday, July 24, until 6 a.m. on Monday, July 27, NE 13 Street will be closed from Biscayne Boulevard to NE 2 Avenue. The southbound Biscayne Boulevard right turn only lane onto NE 13 Street will also be closed during this time frame.
Detour for NE 13 Street:
- Drivers on northbound Biscayne Boulevard can:
- Turn left on NE 11 Street
- Turn right on NE 1 Avenue to connect with NE 13 Street
- Drivers on southbound Biscayne Boulevard can:
- Turn right on NE 14 Street
- Turn left on NE 2 Avenue to connect with NE 13 Street
To view a map of the detours, please click here.
Detours for Full Closure of Biscayne Boulevard, Southbound North Bayshore Drive and NE 13 Street:
- Drivers on northbound Biscayne Boulevard can:
- Turn left on NE 11 Street, then turn right on NE 1 Avenue
- Turn right on NE 14 Street, then turn right on NE 2 Avenue to connect with NE 13 Street
- Or continue east on NE 14 Street to reconnect with Biscayne Boulevard
- Drivers on southbound Biscayne Boulevard can:
- Turn right on NE 14 Street, then turn left on NE 2 Avenue to connect with NE 13 Street
- Or continue south on NE 2 Avenue, then turn left on NE 11 Terrace to reconnect with Biscayne Boulevard
- Drivers on the MacArthur Causeway ramp to Biscayne Boulevard can:
- Turn right on northbound North Bayshore Drive, then turn left on NE 14 Street
- Turn left on NE 2 Avenue to connect with NE 13 Street
- Or continue south on NE 2 Avenue, then turn left on NE 11 Terrace to reconnect with Biscayne Boulevard
To view a map of the detours, please click here.
NOTE: Lane closure times will be adjusted to accommodate special events in the area.
CANCELED: WESTBOUND MACARTHUR CAUSEWAY RAMP TO BISCAYNE BOULEVARD CLOSURE
CANCELED: The scheduled closure of the westbound MacArthur Causeway ramp to Biscayne Boulevard on Sunday, July 26, between 10 p.m. and 5:30 a.m., has been canceled. The ramp will remain open to traffic.
NIGHTTIME FULL CLOSURE OF NW 14 STREET
- Friday, July 24 – NW 14 Street from NW 3 Avenue to NW 1 Place will be closed between 9 p.m. and 5:30 a.m. Drivers and pedestrians can use the detours shown here.
- Drivers on eastbound NW 14 Street can:
- Turn right on NW 3 Avenue, then turn left on NW 13 Street
- Turn left on NW 1 Place to connect with NW 14 Street
- Drivers on westbound NW 14 Street can:
- Turn right on NW 1 Court, then turn left on NW 15 Street
- Turn right on NW 2 Avenue, then turn left on NW 16 Street
- Turn left on NW 3 Avenue to connect with NW 14 Street
- Drivers on eastbound NW 14 Street can:
I-395 MAINLINE LANE CLOSURES
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – One lane on mainline eastbound I-395 will be closed as needed from I-95 to Biscayne Boulevard between 10 p.m. and 5:30 a.m.
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – Up to two lanes on mainline westbound I-395 will be closed as needed from Biscayne Boulevard to I-95 between 10 p.m. and 5:30 a.m.
FULL CLOSURE OF BISCAYNE BOULEVARD FROM NE 11 STREET TO NE 13 STREET
- Monday, July 27 through Friday, July 31 – All travel lanes on Biscayne Boulevard will be closed from NE 11 Street to NE 13 Street between 10 p.m. and 5:30 a.m. The start and end times will be adjusted on special event days. Biscayne Boulevard and NE 2 Avenue will not be closed during the same time period.
- Drivers on southbound Biscayne Boulevard can:
- Turn right on NE 13 Street and then turn left on NE 2 Avenue
- Turn left on NE 11 Street to connect with Biscayne Boulevard
- Drivers on northbound Biscayne Boulevard can:
- Turn left on NE 11 Street and then turn right on NE 1 Avenue
- Turn right on NE 14 Street to connect with Biscayne Boulevard
- Drivers on southbound Biscayne Boulevard can:
To view a map of the detour, please click here.
FULL CLOSURE OF NE 2 AVENUE
- Thursday, July 23 – All lanes on NE 2 Avenue will be closed between NE 13 Street and I-395 between the hours of 10 p.m. and 6:30 a.m. for concrete pours over the roadway.
- Drivers on southbound NE 2 Avenue can:
- Turn left on NE 14 Street, then turn right on Biscayne Boulevard
- Turn right on NE 11 Street to connect with NE 2 Avenue
- Drivers exiting I-395 can:
- Continue east on NE 11 Terrace, then turn left on Biscayne Boulevard
- Turn left on NE 14 Street to connect with NE 2 Avenue
- Drivers on southbound NE 2 Avenue can:
To view a map of the detour, please click here.
DAYTIME CLOSURE OF SOUTHBOUND NORTH BAYSHORE DRIVE
- Monday, July 27 through Friday, July 31 – Southbound North Bayshore Drive will be closed from NE 14 Street to NE 13 Street between the hours of 9 a.m. and 4 p.m. Drivers on southbound North Bayshore Drive can turn right on NE 15 Street or NE 14 Street to connect with Biscayne Boulevard.
S.R. 836 ONGOING CONSTRUCTION ACTIVITIES
- Nighttime installation of bridge pier cap segments and beams for the S.R. 836 double-decked roadway from NW 12 Avenue to I-95 and adjacent to the Miami River
- Construction of straddle bent support structure over eastbound S.R. 836 just west of NW 7 Avenue
- Driving/removing steel sheets into the ground in the S.R. 836 median between NW 12 Avenue and NW 7 Avenue
- Foundation construction on the S.R. 836 median and adjacent roadways from NW 12 Avenue to I-95 for the new double-decked roadway
- Construction of double-decked roadway support piers at the core of the interchange
NOTE: Nearby residents and businesses may experience periods of higher-than-normal noise levels during these activities. All efforts are being made to minimize noise levels to the fullest extent possible.
S.R. 836 LANE CLOSURES
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – Two eastbound lanes on S.R. 836 from NW 17 Avenue to I-95 will be closed as needed for bridge work between 9 p.m. and 5:30 a.m. The Friday closures will be implemented between 11 p.m. and 8 a.m.
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – Two westbound lanes on S.R. 836 from I-95 to NW 17 Avenue will be closed as needed for bridge work between 9 p.m. and 5:30 a.m. The Friday closures will be implemented between 11 p.m. and 8 a.m.
COMPLETE CLOSURE OF EASTBOUND S.R. 836 AT NW 17 AVENUE
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – All eastbound S.R. 836 travel lanes will be closed at NW 17 Avenue between 10 p.m. and 5:30 a.m. The Friday closures will be implemented between 11 p.m. and 8 a.m. The start and end times will be adjusted on special event days.
The detours noted below and shown here will be in place to guide drivers around the work area. Drivers on eastbound S.R. 836 will:- Exit at NW 17 Avenue, then continue south across NW 7 Street
- Turn left at SW 1 Street and continue east
- Turn right at South Miami Avenue
- Turn right to access the ramp to I-95 north or south
- Drivers going to Biscayne Boulevard and the MacArthur Causeway can continue east on SW 1 Street and turn left on Biscayne Boulevard to connect with the MacArthur Causeway entrance ramp at NE 11 Terrace
Drivers on NW 12 Avenue wanting to access eastbound S.R. 836, I-95, Biscayne Boulevard, and the MacArthur Causeway can continue south on NW 12 Avenue, turn left at SW 1 Street, and follow the detours above.
FULL CLOSURE OF WESTBOUND S.R. 836
- Wednesday, July 22 through Friday, July 24 and Sunday, July 26 through Friday, July 31 – All westbound lanes on S.R. 836 will be closed as needed from NW 12 Avenue to NW 17 Avenue between 10 p.m. and 5:30 a.m. The Friday closures will be implemented between 11 p.m. and 8 a.m. The start and end times will be adjusted on special event days. Drivers can:
- Exit at the NW 12 Avenue ramp, then turn left on NW 12 Avenue
- Turn right on NW 7 Street
- Turn right on NW 17 Avenue and continue north to connect with the westbound S.R. 836 ramp
To view a map of the detour, please click here.
FULL CLOSURE OF SR 7/US 441/NW 7 AVENUE
- Thursday, July 23 – All lanes on NW 7 Avenue will be closed from NW 14 Street to NW 15 Street between the hours of 10 p.m. and 5:30 a.m.
- Drivers on northbound NW 7 Avenue can:
- Turn left on NW 14 Street, then turn right on NW 12 Avenue
- Turn right on NW 20 Street to connect with NW 7 Avenue
- Drivers on southbound NW 7 Avenue can:
- Turn right on NW 20 Street, then turn left on NW 12 Avenue
- Turn left on NW 14 Street to connect with NW 7 Avenue
- Drivers on northbound NW 7 Avenue can:
To view a map of the detour, please click here.




