The Whereabouts of Hidden Bridges is a collaborative mixtape by Minnesota alternative hip hop artist Eyedea and Advizer (Adam Waytz), Crescent Moon (Alexei Casselle), and DJ Anatomy (Stephen Lewis) of the rap quintet Oddjobs.

At the time Eyedea met the members of Oddjobs in about 1997, he had established himself solidly in the Twin Cities hip-hop scene but had not yet released his debut album, First Born, and was just beginning to develop his national reputation.

After getting to know them, he invited several members of the group to collaborate with him, recording the tracks for The Whereabouts of Hidden Bridges in only a week on a four-track tape.

Oddjobs MC Crescent Moon had been performing backup for Eyedea during his live sets for about two years prior to the recording.

Advizer later called the recording sessions "one of the most enjoyable musical experiences I have had",[1] also telling the website UGSMAG he was especially proud of the song "P.S.P.