Caltrans is seeking comments on the environmental document for the Echo Summit project.

The transportation department wants to replace the viaduct on Highway 50 with a single span bridge.

The project includes upgrading the existing guardrail to current standards, constructing concrete transition barriers from the new bridge rail to the upgraded guardrail, grinding the asphalt concrete at the bridge approaches and placing a smooth transition.

Comments are being taking on the draft initial study and proposed mitigated negative declaration until Nov. 3; email napassakorn.pongsmas@dot.ca.gov. The documents are online.