Simplify the following text for a Grade 8 native English-speaking person.
Original: Both the FIM and Silverstone acknowledged a need for the circuit to be remodelled in order to become more suitable for motorcycle racing , with particular concerns raised by riders over the proximity of the bridge at Bridge corner .
Simplified: Both the FIM and Silverstone agree the circuit needs to be remodeled for motorcycle racing . The riders are concerned over the closeness of the bridge at Bridge corner .