2011

Pinkham's Grant, NH

Owner
Engineer

Composite sheet pile with through ties

New Hampshire DOT

New Hampshire DOT

Concord, NH

New Hampshire DOT

Contractor
Span
Rise
Width
Skew
Headwall
About
Arches

Concord, NH

23'-8"

6'

26'

Constructed at the base of Mt. Washington, the highest peak in the Northeast, the NHDOT bridge to a maintenance lot is exposed to extreme conditions including flash flooding and huge snowfall levels. This design spaced arches at the greatest distance to date requiring only six tubes for the 26′ wide bridge NHDOT elected to internally design and construct the composite sheet pile headwall

6 carbon fiber tubes, 4′-9″ spacing, 12″ diameter

NH DOT Maint. Bridge