PND has completed over 1,000 miles of road projects with services as diverse as rural mining roads and forest service roads to urban collectors and highway systems. PND’s expertise in the challenging conditions of cold-region road design has won us numerous local, regional, and national awards. As part of our transportation design services, we have the in-house capability to perform detailed permitting, public participation, and assessment of right-of-way.
Since the inception of PND, our engineers have designed hundreds of bridges of varied material types and construction methods. Our experience includes soils investigations for foundation designs and the design of piles for bridge foundations and bridge piers.
Our bridge design capabilities include:
- Highway Bridges
- Pedestrian Bridges
- Recreational Bridges
- Railroad Bridges
- Pipeline Bridges
- Steel I Girder Bridges
- Timber Glu-Lam Bridges
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- Timber Truss Bridges
- Covered Timber Bridges
- Floating Bridges
- Prestressed Concrete Bridges
- Concrete Slab Bridges
- Steel Truss Bridges
- Steel Box Girder Bridges
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