The cache is not at the posted coordinates. You will need to complete the Historic Riverside Adventure Lab to obtain the actual coordinates for this bonus cache. You will also obtain a clue to access the cache upon successful completion of that Adventure Lab.
To access the Adventure Lab on your mobile device,use your phone's native QR code scanner to open this adventure in the Adventure Lab mobile app, or share the following URL: https://labs.geocaching.com/goto/FixatedCacheAddicts
There's a $2 bill in the cache for FTF!