Engineers' group gives a C- grade, but key category did worse this time; advocates are hopeful big US investment will happen

Proponents include construction, labor, transportation, environmental, and clean-energy groups.

Construction groups now hope to see substantial infrastructure funding in a future, as yet undrafted, bill.

 DOT secretary says focusing on transport bill as main infrastructure measure may be easier than tackling two bills.

As uncertainty drags on concerning federal funding levels for major infrastructure projects, stakeholders are looking more intensely than ever into what kinds of private capital are available—not only from entities traditionally interested in infrastructure, but also from companies such as Facebook.

Oregon Democrat, likely House transportation committee chair in next Congress, wants to move bill quickly.