I got it to work by seperating the address string:
Dim StreetNumber As String
Dim StreetName As String
StreetNumber = Left(Me!Address, InStr(1, Me!Address, " ") - 1)
StreetName = Right(Me!Address, InStr(1, Me!Address, " ") + 1)
"<br><A HREF=http://www.bing.com/maps/?v=2&where1=" &...