On Tuesday, authorities said they found two bodies near Deer Creek in Delphi while searching for the teens: Liberty German and Abigail Williams.
Police said there are no suspects yet and that they will not release the girls' cause of deaths, citing the ongoing investigation.
The bridge is a frequented spot for its beauty and was the backdrop of the final picture of Abigail Williams taken by Liberty German and posted to Snapchat at 2:07 p.m., some hours before they were declared missing at 5:30 p.m on February 13.
The girls were reported missing around 5.30pm on Monday.
Kim Riley says the bodies were found along Deer Creek east of Delphi.
Two bodies found in IN have been identified as missing 13-year-old girls, authorities said.
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"I think people are smart enough in our community to draw their own conclusions about what they should feel and what they shouldn't feel", he told Fox59.
Carroll County Sheriff Tobe Leazenby said the deaths are very upsetting for residents of Delphi, a community of about 3,000 residents. It is unclear who discovered the bodies, but they were discovered on Tuesday about half a mile from the Monon High Bridge.
They were supposed to return to the same spot later in the day to be picked up.
"I want to ensure the community [that] we're going to get to bottom of this,"Leazenby said. We're confident of that", Mr Leazenby said during a news conference on Wednesday".
During the Tuesday press conference, Delphi Police Chief Steve Mullins said the search and discovery has "had a bad effect on our people and we are grieved this sort of thing would happen here in our community".