320th Avenue Bridge
Located in Iowa, in USA, the 320th Avenue Bridge is one of the most spectacular bridges in the world.
![320th Avenue Bridge](https://www.dangerousroads.org/cache/images/900x/9/320thavenuebridge0-b78379db.jpg)
The warren pony truss bridge spanning the Walnut Creek was built in 1924. It’s 62 ft long on the gravel 320th Avenue.
Pic: King Hawk Fan