Assessing bridge scour countermeasures

Assessing bridge scour countermeasures

Detailed Description

USGS hydrologist Taylor Dudunake assesses the rip-rap countermeasure along the pier of the Iowa State Route 76 bridge over the Upper Iowa River near Dorchester, Iowa. The assessment was part of a nationwide study of bridge scour countermeasures the USGS conducted on behalf of the Federal Highway Administration. 

Details

Image Dimensions: 1605 x 1605

Date Taken:

Location Taken: US