The grand opening celebrations along the route are closed to the public.
The trumpet will allow traffic to move through the interchange at a higher speed than some of the other designs that were previously on the table.
INDOT says the Draft Environmental Impact Statement looks at potential impacts the road will have on the natural environment.
The bridge, which crosses the Eel River between Spencer and Terre Haute, has been closed since July.
The Indiana Department of Transportation will pay $57.5 million for construction of a four-mile stretch of I-69 southwest of Bloomington.
INDOT is looking at ways for communities along the route to enjoy the interstate before it is opened to traffic.
The area is a major economic artery with Amish buggies and all types of motorized transportation sharing the road, with sometimes disastrous results.
Two options for the interchange between I-69 and SR 37 are now available for the public to view and comment on.
Officials from INDOT broke ground on the section of Interstate 69 that will connect NSA-Crane with Monroe County just south of Bloomington.
A formal presentation will be presented, followed by a question and answer session. INDOT will then take public feedback on the plans.