The average bridge in America is about 47 years old, meaning it's a pivotal moment in the age and future of bridge ...

The National Investigative Unit took a trip to the Black Hawk Bridge, over the Mississippi River, which connects Iowa and Wisconsin. The Iowa Department of Transportation took the team underneath ...

Well, it's *** bridge that's approaching 94 years old. Jim Nelson with the Iowa Department of Transportation took us underneath the Black Hawk Bridge, *** critical transportation route that ...