Workers construct a backpack bridge over the Little River in Belfast, Maine.
(Fred Field for The Boston Globe)
Bridges that resist the rust
Strong, lightweight, easy-to-assemble arches with no steel bars may solve a New England problem
Workers construct a backpack bridge over the Little River in Belfast, Maine.
(Fred Field for The Boston Globe)
BELFAST, Maine — At first glance, the bridge being built over the Little River does not look high-tech. Covered with concrete and surrounded by dirt, it looks like any other bridge construction site. (Full article: 790 words)
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