Highways & Bridges
IDOT Kennedy Expressway
IDOT Kennedy Expressway The Kennedy Expressway is one of Chicago’s busiest and most important roadways, carrying more than 275,000 vehicles each day between O’Hare International Airport and downtown. After three decades since its last major rehabilitation, the aging infrastructure showed clear signs of wear. Bridges and pavement were deteriorating, overhead sign structures were reaching the end…
Read MoreLeo Frigo Bridge
Leo Frigo Bridge Spanning nearly 1.5 miles across the Fox River, the Leo Frigo Bridge is a vital corridor for Green Bay’s commuters and commerce. As part of its multi-phase rehabilitation, GRAEF’s survey and engineering team was tasked with capturing highly detailed structural and elevation data to guide critical repairs and future work. Given the…
Read MoreEarnhardt Memorial Pedestrian Bridge
Earnhardt Memorial Pedestrian Bridge GRAEF delivered structural and electrical engineering services for the rehabilitation of the Earnhardt Memorial Pedestrian Bridge, a single-span Continental® truss structure spanning 209 feet in length and 20 feet in width. Located adjacent to the iconic Daytona International Speedway, the bridge serves as a symbolic gateway for over 10 million visitors…
Read MorePulaski Park Pedestrian Bridge
Pulaski Park Pedestrian Bridge As part of the Milwaukee Metropolitan Sewerage District’s (MMSD) ambitious flood control project for the Kinnickinnic River, Pulaski Park’s outdated concrete pedestrian bridge required replacement. The over 50-year-old structure, suffering from severe deterioration, was no longer viable. The new prefabricated steel bridge, chosen after extensive public input, features a visually appealing…
Read MoreWisDOT USH 41 Expansion Project – Winnebago WIS 21-USH 45
WisDOT USH 41 Expansion Project – Winnebago WIS 21-USH 45 This project consisted of the freeway expansion of USH 41 and bringing the roadway to Interstate Standards. This project included the reconstruction of the WIS 21 interchange and work on USH 41 between WIS 21 and the Lake Butte des Morts causeway. https://graef-usa.com/wp-content/uploads/BRANDED_-_IH_41_Winnebago.mp4 Other Projects…
Read MoreWisDOT IH 41 Resurfacing Project – Appleton to Green Bay
WisDOT IH 41 Resurfacing Project – Appleton to Green Bay This maintenance project involved extending the life of deteriorating pavement over a 12 mile stretch of the IH 41 corridor and respective interchange ramps from WIS 15 – County J in the towns of Grand Chute, Vandenbroek, Kaukauna, village of Little Chute, city of Appleton…
Read MoreWisDOT County Highway JJ Manitowoc River Bridge Replacement
WisDOT County Highway JJ Manitowoc River Bridge Replacement The project consisted of the bridge replacement and approach work on CTH JJ over the Manitowoc River to improve the overall safety by addressing structural deficiencies. Construction inspection of major items of work included the demolition and removal of the existing bridge structure B-36-19, construction of the…
Read MoreAndrew Schultz
WisDOT STH23
WisDOT STH 23 GRAEF provided engineering and design services for the STH 23 expressway improvements from USH 151 to Taft Road in Fond du Lac County. This section of STH 23 was part of an overall corridor expansion, completing a four-lane divided roadway between the Cities of Fond du Lac and Plymouth. A key aspect…
Read MoreWisDOT Grantosa Drive Bridge Rehabilitation
WisDOT Grantosa Drive Bridge Rehabilitation The project included two bridges on West Grantosa Drive spanning WIS 145. Constructed in 1965, these 4-span steel girder bridges were in need of rehabilitation to maintain the existing facility life. This project also included designs for thin polymer overlays and load ratings on 8 bridges. These included STH 145…
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