Keystone Wye, Arch bridge in South Dakota
Keystone Wye is a stunning example of bridge engineering.
This bridge was constructed in the 1960s to support tourism.
It serves as a gateway to Mount Rushmore, connecting visitors to history.
The design aids in the flow of traffic through rugged terrain.
Its aesthetic appeal makes it a notable landmark within the Black Hills.
Location: South Dakota
Source: Wikimedia