The Taunton project involves the construction of approximately 1.6 km of new carriageway, together with improvements to existing carriageways and junctions.
The winning contractor will also build a new bridge over the River Tone and Bridgwater & Taunton Canal, as well as removing and replacing a road bridge and a foot bridge over the London to Penzance railway.
Works will also include the demolition of existing commercial premises and the construction of retaining walls.
Work is expected to start next April for completion by September 2013.
Contractors must register an interest in the job by 30 August, additional information is available at http://www.myTenders.org/Search/Search_Switch.aspx?ID=82689.
Naomi Gornall at the council’s environment directorate is also handling enquiries. She can be contacted on 01823358238 or emailed at email@example.com