Related Articles

Location of Portland Oregon's I-5: Iowa Street Viaduct Replacement Project
Geologic Hazards

Portland’s I-5 project cutting into ancient landslide

July 1, 2010 rockman Geologic Hazards 1

ODOT’s I-5: Iowa Street Viaduct Replacement Project in Portland will reportedly cut into 6 ancient landslide surfaces according to a PSU Geology Professor. The existing bridge structure is over 50-years old and deteriorating and will […]

Existing Teppan Zee Bridge
Project Related

$22M in Geotechnical Work complete for new Tappan Zee Bridge

July 30, 2012 rockman Project Related Comments Off on $22M in Geotechnical Work complete for new Tappan Zee Bridge

70 boreholes were completed as well as 7 load test piles to characterize the geotechnical conditions for this well known bridge spanning the Hudson River in New York. No significant surprises were encountered compared to […]

Schematic diagram of temporary piers to shore up the Leo Frigo bridge in Green Bay, Wisconsin
Failures

Green Bay Span Shored Up as WisDOT Seeks Long-Term Fix

October 21, 2013 rockman Failures Comments Off on Green Bay Span Shored Up as WisDOT Seeks Long-Term Fix

Work has begun to construct temporary piers to support the I-43 Leo Frigo Bridge. Pier 22 of the bridge settled approximately 2.5 feet in late September/early October. The new piers are being constructed by Lunda […]