1996 Chevy Monte Carlo front end clunking noise when hittii

i had just replaced my front end struts due to a clunking constant noise in ftont end especially when i hit a bmps it is loud i put on th new struts and the car is still doing the same problem it is on both sides should i have replaced the springs also or maty there be anotherproblem.. the steering is fine makes no noise when i turn or when the car is on the expresssway about 65 mph there is no noise .. Any thing i should check 4 would be great