I-35 NEX South: Phase 3

TxDOT awarded the Design-Bid-Build contract for the I-35 NEX South Phase 3 Project to Zachry Construction. The project consists of a full reconstruction of I-410 at FM 78 expanding from 4 lane to 6 lane expressway with intersection operational improvements of frontage roads and cross streets in Bexar County.

Project limits: I-35/I-410 South Interchange to FM 78

Design-Build cost: $84.5M

Contractor: Zachry Construction

Construction start date: March 2025

Estimated completion date: Late 2028

For more information

For project background and previous public involvement and environmental studies visit theprojects and studies pageon TxDOT.gov.