Gyms Near Me » Gyms in United States » Gyms in Nebraska » Gyms in Gretna Fitness Center 31671/bridge At Platte River Get Directions Contact & Info MapAboutI-80, Gretna, NE 68028, USA Contact & Location Address I-80, Gretna, NE 68028, USA Directions Open in Google Maps About is a fitness facility located at I-80, Gretna, NE 68028, USA. Location is located at I-80, Gretna, NE 68028, USA.