Bethlehem Boulevard was brought into the state highway system as MD 158 around 1991 concurrent with MD 157 being assigned to the Peninsula Expressway south of Bear Creek. Between 1995 and 1999, I-695 was transformed from a two-lane freeway on a viaduct to a four-lane surface-level freeway between Edgemere and the Key Bridge.
Bethlehem Boulevard was incorporated into the state highway system as MD 158 around 1991, coinciding with MD 157 being assigned to the Peninsula Expressway south of Bear Creek. Between 1995 and 1999, I-695 underwent a transformation from a two-lane freeway on a viaduct to a four-lane surface-level freeway between Edgemere and the Key Bridge.