Stream crossings—culverts and bridges—are critical infrastructure for field and farm access. But if undersized or poorly installed, they can be a problem because they impede or block fish passage to ...

The aim in highway drainage is to prevent on-site water standing on the surface and convey the off-site storm runoff from one side of the roadway to the other. To accomplish the off-site drainage ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

The design of resilient infrastructure is a critical part of planning in coastal New Hampshire. Considerations for climate change adaptation apply, in addition to conventional designs for traditional ...

Part of Portsmouth Street in Concord is closed as work continues on a bridge across from the lot of the Society of N.H. Forests. Credit: GEOFF FORESTER / Monitor staff The City Beat is a free Monday ...