State Route 59 4-Lane Widening
Project Description
The project proposes to widen State Route 59 from a two-lane to a four-lane conventional highway from 16th Street to Black Rascal Canal Bridge and replace Black Rascal Canal Bridge and South Fork Black Rascal Bridge with one new bridge.

Project Benefits
Purpose
The purpose of this project is to improve the Level of Service, relieve traffic congestion, and improve traffic safety conditions within the proposed project limits.
Need
The need is the projected Level of Service to be at a level “F” and State Route 59 exhibits accident rates higher than similar state highways within the project limits.
Current Schedule
Summer 2020 (A)
Program Project (M015)
Fall 2020 (A)
Begin Project (M040)
Winter 2024 (A)
Project Approval & Environmental Document (M200)
Winter 2026 (T)
Right-of-Way Certification (M410)
Winter / Spring 2027 (T)
Ready-to-List (M460)
Spring / Summer 2027 (T)
Approved Construction Contract (M500)
Spring 2028 (T)
Project Completion (M600)
Documents
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Initial Study with Mitigated Negative Declaration - (PDF) 21.2 MB
Funding Source
State Highway Operation and Protection Program (SHOPP) – Project 10-1M480
Project Status
The project achieved PA&ED in December 2024. Right-of-Way certification is targeted for December 2026.
Project Cost/Programmed (x$1,000):
| Programed Project Cost | Capital $ | Support $ |
|---|---|---|
| Project Approval & Environmental Document | - | $600 |
| Plans, Specifications, & Estimates | - | - |
| Right of Way | - | - |
| Construction | - | - |
| Projected Cost as of March 27, 2024: | Planned $ | Expended $ |
|---|---|---|
| Project Approval & Environmental Document | $600 | $456 |
| Plans, Specifications, & Estimates | - | - |
| Right of Way | - | - |
| Construction | - | - |
Public Information Office

Phone: (209) 948-7977
Email: District10PublicAffairs@dot.ca.gov
Address: P.O. Box 2048, Stockton, CA 95201-2048
