SH 99 Grand Parkway

Segments H, I-1 & I-2

Arrow Down

2018

2022

52.8

1994

Construction Commenced

Completion Date

Miles of New Highway

First Segment (D) of

SH-99 opened

84

Reconstructed Bridges

375+

Parcels Acquired

Overview

The vision for mobility using a “highway loop” around Houston dates back to the early 1960s. 

 

More than 50 years later, this vision is becoming a reality with the design and construction of the remaining segments of SH 99 Grand Parkway, Segments H, I-1 & I-2. At 180+ miles, this circumferential scenic highway will be the longest highway loop in the United States, traversing seven counties and encircling the Greater Houston region, which is the fourth-most populous city in the United States.

In March 2017, the Texas Department of Transportation awarded the $855 million design-build construction contract for Segments H, I-1 & I-2 to Grand Parkway Infrastructure, a joint venture led by global infrastructure leader Ferrovial Agroman, along with Webber LLC and Granite Construction Inc.

Construction along the corridor, stretching from the US 59/IH 69 interchange to the north and SH 146 in Baytown to the south, commenced in 2018. Construction activities are currently underway, including bridge construction, roadway paving, right-of-way acquisition with property owners, and utility relocations.

Fast Facts:

 

  • Segments H, I-1 & I-2 represent 52.8 miles of the 184 mile SH 99/Grand Parkway loop

  • Acquisition of easements through 375+ land parcels

  • 80 new or substantially reconstructed bridges will be built

  • The first segment – Segment D – of SH 99/Grand Parkway opened in August 1994; the most recent segment – Segment G – opened in March 2016

Project Maps

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Traffic Impacts

As construction continues, we will post information about upcoming traffic impacts, including lane, ramp, and bridge closures. Please note that all traffic impacts are subject to change. 

Baytown

July 26 - 31 / August 2 - 7 (7PM - 7AM)

Left lane closure on SH 99 northbound and southbound near IH 10

July 26 - 31  / August 2 - 7  (7PM - 7AM)

Left lane closure on SH 99 northbound and southbound near IH 10

August 5 (8PM - 5AM)
Lee Drive closed between Business 146 eastbound and westbound travel lanes. 

Ongoing (24 hrs)

The Grand Parkway Infrastructure team implemented a number of long-term closures (6 weeks) Friday, July 23 in Baytown on Business 146 and State Highway 146. These closures are needed to allow crews to expedite construction at the Wyoming Street / Business 146 intersection in Baytown within segment I-2 of the Grand Parkway.  Below you will find details regarding the closures and their respective durations.

 

  • SH 146 northbound exit ramp (Missouri St. / W Main St. ) will be closed 24 hours a day. Motorists will be detoured to the next northbound exit (W. Texas Ave / Decker Drive).

 

  • SH 146 southbound on ramp at Business 146 westbound (westbound to southbound connector) will be closed. Motorists will be detoured to Missouri St. to make a U-turn to access the SH 146 southbound on ramp.
     

  • Business 146 westbound traffic will be closed at Lee Drive from 7PM - 3AM during the overnight hours of July 23. To access SH 146, motorists will need to utilize Lee Drive and Main Street.

Ongoing (24hrs)

U-turn closed at SH 99 westbound at Business 146 eastbound

Ongoing (24hrs)

The eastbound and westbound SH 99 U-turns closed at FM 1405

Ongoing (24hrs)

U-turn closed at SH 99 eastbound between FM 1405 and Fisher Road

Ongoing (24hrs)

Wismer Drive (between Business 146 eastbound and westbound) closed

Dayton

July 26 - 31 / August 2 - 7  (6AM - 7PM)

Flagging operation on CR 602 and CR 603

July 26 - 31 / August 2 - 7  (7AM - 5PM)

Flagging operation on FM 686 between CR 621 and CR 622

July 26 - 31 / August 2 - 7 (6AM - 5PM)

US 90 reduced by 1 lane (eastbound and westbound) in each direction near County Road 491

July 26 - 31 / August 2 - 7 (8AM - 5PM)

Flagging operation on FM 1960 near CR 610

July 26 - 31 / August 2 - 7  (7AM - 6PM)

Flagging operation on County Road 622

July 26 - 31 / August 2 - 7 (7AM - 6PM)

Flagging operation on FM 1413

Ongoing (24hrs)

CR 610 closed at FM 1960

Mont Belvieu

July 26 - 31 / August 2 - 7  (24 hrs)

Single right lane closure on 146 southbound and northbound near Eagle Drive

 

July 26 - 31 / August 2 - 7 (9AM - 4PM)

Flagging operations on FM 565 near City Hall

New Caney

July 26 - 31 / August 2 - 7 (8AM - 5PM)

Full closure on SH 99 eastbound U-turn to SH 99 westbound near IH 69 frontage road

July 30 (8AM - 5PM)

Left lane closures around the SH 99 and IH 69 junction

August 3 (8AM - 5PM)

2 lane reduction on Valley Ranch Blvd.  in each direction between SH 99 frontage roads.

August 9 - 11 (8PM - 5AM)

Flagging operation on Loop 494 between Eagle Drive and Community Drive.

August 3 - 8 (9AM - 5PM)
Flagging operation on FM 1485 at Willaby Road 

August 8, 2021

The Grand Parkway Infrastructure team is scheduled to implement a modification to the flow of traffic along FM 1485 in New Caney beginning Tuesday, August 10. This modification, which will be in place until December 2021, is needed to allow for crews to continue with construction of the new SH 99 main lanes and frontage roads. Please click here to view details.

Ongoing (24 hrs)

Residents of Monday Hargrove will have their access modified for the remainder of the project. Residents will need to access their property via Willaby Road, onto the new frontage road, and on to Monday Hargrove. GRAPHIC

Ongoing (24 hrs)

Ada Lane closed at the new SH 99 westbound frontage road.

Ongoing (24hrs)

The eastbound and westbound SH 99 U-turns closed at Valley Ranch Parkway

 

CONTACT US

Inquiries

For any inquiries, questions or concerns, please call 877-553-7374, email info@gpi-99.com or fill out the form below.

Contact Us

Thank you for your message. Our team will be in touch with you shortly.

Grand Parkway Infrastructure Office

8811 F.M. 1960 Bypass Road West

4th Floor
Humble, TX 77338

info@gpi-99.com

Tel: 877-553-7374

Hours of Operation: 8:00AM - 6:00PM  (Monday thru Friday)  

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Employment

Here at GPI, we're always looking for great people with great skills. For information on what jobs are available, please view our current listings. If you have any questions related to employment opportunities please email us at GPIHR@gpi-99.com  or call 832-412-4633.