You are using an outdated browser. Please upgrade your browser to improve your experience and security.

Open Menu

Completed Projects

Good news! These Mobility35 projects were completed on time and on budget. We are committed to improving mobility and reducing congestion along I-35.

Completed Projects: 14

I-35 at Ronald Reagan Boulevard

This project replaced the existing Ronald Reagan Boulevard bridge with separate eastbound and westbound bridges. Both bridges now accommodate one travel lane, bike lane and six-foot sidewalk. The project also realigned eastbound Ronald Reagan Boulevard to tie into the new eastbound bridge. 

Total Construction Cost

$12.3 million

Project Completed

February 2022

Photo for I-35 at Ronald Reagan Boulevard

I-35 from Corn Hill to FM 972

This project converted the northbound and southbound I-35 frontage roads between Corn Hill and FM 972 from two-way to one-way traffic. In addition, nine entrance and exit ramps were built within the project limits. 

Total Construction Cost

$10.7 million

Project Completed

February 2022

Photo for I-35 from Corn Hill to FM 972

I-35 from Stassney Lane to William Cannon Drive

The project reconstructed bridge structures and built new U-turns at the Stassney Lane and William Cannon Drive bridges. Additionally, the project reconstructed the frontage road bridges over Williamson Creek, widened the mainlanes, reconfigured entrance and exit ramps and improved bicycle and pedestrian accommodations throughout the corridor.

Total Construction Cost

$78.8 million

Project Completed

January 2022

Photo for I-35 from Stassney Lane to William Cannon Drive

I-35 at Posey Road

This project included replacing the existing interchange configuration with a new I-35 mainlane bridge over an at-grade reconstructed Posey Road. The project also added U-turn lanes in each direction and turn lanes at the northbound and southbound I-35 frontage road intersections, reversed six entrance and exit ramps between Centerpoint Road and York Creek Road, and enhanced pedestrian sidewalks and bicycle paths. 

Total Construction Cost

$31.7 million

Project Completed

December 2021

Photo for I-35 at Posey Road

I-35 from Grand Avenue Parkway to SH 45 North

The project included reversing ramps along northbound I-35 between Grand Avenue Parkway and SH 45 North, constructing an extended entrance/exit lane along the northbound frontage road and installing high-mast lighting and improvements at Picadilly Drive. 

Total Construction Cost

$8 million

Project Completed

August 2021

Photo for I-35 from Grand Avenue Parkway to SH 45 North

I-35 from RM 1431 to FM 3406 (northbound)

The project included reconstructing and widening the northbound I-35 frontage road from two to three lanes, constructing a new extended entrance and exit lane on the northbound I-35 frontage road and relocating the RM 1431 exit (#256).

Total Construction Cost

$10.7 million

Project Completed

June 2021

Photo for I-35 from RM 1431 to FM 3406 (northbound)

I-35 at Oltorf Street

The project included the reconstruction of the Oltorf Street bridge, improved entrance/exit ramps and frontage roads, the construction of new extended entrance/exit lanes for mainlanes and ramps, and the addition of U-turns in both directions at Oltorf Street. Bicycle and pedestrian enhancements were also made along the I-35 frontage roads in each direction within the project limits.  

Total Construction Cost

$42.6 million

Project Completed

June 2020

Photo for I-35 at Oltorf Street

I-35 at CR 305

The project replaced the CR 305 bridge over I-35 with a wider and taller bridge. Additionally, CR 304 East was realigned to connect to the newly constructed bridge which allows for better turning movements. Pedestrian enhancements were also made within the project limits. 

Total Construction Cost

$6.2 million

Project Completed

December 2019

Photo for I-35 at CR 305

I-35 from US 79 to SH 45 North (northbound)

The project included new braided ramps (where one ramp crosses over the other) that have been constructed along the northbound I-35 mainlanes between Hesters Crossing and RM 620 to eliminate merging conflicts. The north and southbound intersections of US 79 and I-35 frontage roads have also been reconstructed to add a third left-turn for westbound US 79. Northbound I-35 mainlane widening and bicycle and pedestrian enhancements were also part of this project.

Total Construction Cost

$28.1 million

Project Completed

August 2019

Photo for I-35 from US 79 to SH 45 North (northbound)

I-35 from RM 1431 to FM 3406 (Southbound)

Two ramps on the southbound I-35 frontage road between RM 1431 and FM 3406 were reconstructed and reversed to address traffic congestion and improve I-35 frontage road and mainlane operations. Bicycle and pedestrian safety enhancements have also been made.

Total Construction Cost

$9.2 million

Project Completed

January 2019

Photo for I-35 from RM 1431 to FM 3406 (Southbound)

I-35 at FM 3406

The project included reconstructing the I-35 at FM 3406 bridge over I-35, I-35 frontage road improvements and FM 3406 intersection improvements. Bicycle and pedestrian enhancements have also been made. 

Total Construction Cost

$12.4 million

Project Completed

January 2019

Photo for I-35 at FM 3406

I-35 at 51st Street

The project included a new roundabout at the southbound I-35 frontage road and 51st Street intersection, a southbound intersection bypass lane underneath 51st Street, and reconfigured entrance and exit ramps. Bicycle and pedestrian enhancements, such as raised crosswalks and pedestrian safety beacons, have also been made.

Total Construction Cost

$16.5 million

Project Completed

June 2018

Photo for I-35 at 51st Street

I-35 from RM 150 to Blanco River

One new ramp was added and five existing ramps were modified between RM 150 and the Blanco River.

Total Construction Cost

$9 million

Project Completed

November 2017

Photo for I-35 from RM 150 to Blanco River

I-35 at Slaughter Creek Overpass

Work included replacing the Slaughter Creek overpass with a new, wider bridge featuring one travel lane in each direction and a center-turn lane, adding a new southbound to northbound U-turn bridge, widening the southbound I-35 frontage road to two lanes through the intersection and installing safety lighting from Slaughter Lane to Onion Creek Parkway.

Total Construction Cost

$9.2 million

Project Completed

September 2017

Photo for I-35 at Slaughter Creek Overpass

Information how you want it, when you want it.

Sign up to be alerted about I-35 construction impacts in your area.

Sign Up