Design Update
Stay up to date on the latest updates from our design activities.
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Fall 2025 Update
- East Texas Road Overhead Bridge
- Final design plans available for review
- 75% complete
- I-78 Overhead Bridge
- Final design plan available for review
- 75% design to be completed by the end of November
- NPDES Permit application has been submitted
- Design Team has coordinated the project with Lehigh County Authority because of the proximity to Schantz Spring
- Bridge Foundation Report has been prepared
- Coordination with PennDOT continues
- Hamilton Boulevard Overhead Bridge
- 60% design has been completed. Progressing towards 75%.
- Bridge Foundation Report has been prepared
- Commission has coordinated with Lower Macungie Township related to the sidewalk on the proposed bridge. A five-foot sidewalk will be provided.
- Other Updates
- Stormwater management design and coordination with local municipalities continues
- Overhead Bridges - The Tilghman Street Bridge (SR 1002) and Lower Macungie Road Bridge (SR 2012) are currently under construction. More details can be found on the Improvements Page in the Overhead Bridge section.
- Mainline 1-476 - Preliminary engineering complete. Final design is currently on hold.