The ASCE website is a great place to start your infrastructure research. Under Issues & Advocacy you'll find a number of articles and documents related to infrastructure.
For your projects you'll probably want to use OneSearch (the big search box on the Library homepage) to look for books and articles about infrastructure. As mentioned elsewhere in this guide, OneSearch won't retrieve the research articles from Compendex but you can always search Compendex directly if you need that type of article.
It's not necessary to always use the word "infrastructure". Think of other words or terms you could use to describe your topic. A few examples:
* Note that a search on a single common word can result in a large number of irrelevant results. For example, Bridges is a common name and the word bridges is commonly used in many different contexts. If you run into this, use more specific keywords such as suspension bridges, concrete bridges, bridge corrosion, etc.
You can also search on names of specific infrastructure projects (e.g., Golden Gate Bridge) but you might not find much unless the structure is very well known.
The Bridge at Hoover Dam by 
City Beneath Us: Building the New York Subways by 
Critical Urban Infrastructure Handbook by 
Dead Pool: Lake Powell, Global Warming, and the Future of Water in the West by 
Divided Highways: Building the Interstate Highways, Transforming American Life by 
Introduction to Infrastructure by 
Managing Water: Avoiding Crisis in California by 
The Sanitary City: Urban Infrastructure in America from Colonial Times to the Present by 
Smart Grid Infrastructure and Networking by 
Sustainable Infrastructure; Principles into Practice by 
The Waters of Rome; Aqueducts, Fountains, and the Birth of the Baroque City by 
