Officials of Mississippi River cities and towns say their bridges need to be assessed after the collapse of the Francis Scott Key Bridge. 

A saltwater wedge creeping up the Mississippi River is once again threatening local water supplies in New Orleans. 

The multiple-award task-order contracts are funded by $17.1 billion authorized by the Infrastructure Investment and Jobs Act. 

Late and heavy snow and resulting snow melt inundated portions of northern Minnesota this year and has affected other areas along the river, as engineers study trends and help cities and towns develop long term solutions  

A barrier sill, built under emergency conditions, has stopped a wedge of salt traveling up the river perilously close to drinking water intakes. 

Leader of the Port of New Orleans sees planned projects boosting the facility's ability to remain a leader in global trade.

Dry weather in parts of the Midwest have contributed to unusually low river water levels, grounding some barges and requiring emergency dredging, with other waterways affected.

Ship channel's $238-million dredging project passed a key milestone last month as ships began using a new 48-ft draft standard; last phase will relocate or deepen up to six utility pipelines in the remaining 30 miles to Baton Rouge.

The Senate-passed infrastructure bill includes $500 million to fund disaster mitigation fund created earlier this year.

Federal, state and local officials broke ground July 26 on a levee project along the western shores of Lake Pontchartrain. It's designed to provide hurricane and storm protection to a three-parish area where 60,000 people have little to no defenses in place.