This report documents the performance of Geosynthetic Reinforced Soil (GRS) Integrated Bridge system (IBS) technology, which was used to build a bridge at the South Fork Dry Fork Marias River crossing in Montana. GRS-IBS is a system that uses alternating layers of granular fill material and geotextile sheets to create a composite reinforcement to support the bridge slab. The installation was inspected regularly for five years, examining the integrity and any other visually measurable outcomes. Location: Highway 89 (P-3/C000003), Pondera County-South Fork Dry Fork Marias River Crossing
Thawing fine-grained soils are often saturated and have extremely low bearing capacity. Geosynthetics are used to reinforce unsurfaced roads on weak, ...
As a part of the Highways for LIFE initiative, the Federal Highway Administration provided a grant of $104,000 in support of the District of Columbia ...
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United States Department of Transportation
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