The truss design also avoided the need for the wide piers needed for stone arches.
It was a swing bridge which could open in under two minutes, and it had an arched truss design.
In other bridges, Paddleford first utilised the Long truss design, but later created his own.
The Woolsey Bridge was designed as a camelback-through truss design.
The bridge was built in 1853 and it has a through truss design.
It is also of an unusual lenticular truss design.
The lenticular truss design has been used for other bridges since, but has never been common.
Bell also experimented with a large circular "tetrahedral truss" design during the same period.
It is a five-span continuous Warren through truss design.
Other truss designs were used during this time, including the camel-back.