Phase III engineering services were required to provide construction inspection for the removal and replacement of the structure that carries US 52/IL 64 over the Mississippi River between Savanna, Illinois and Sabula, Iowa. The new bridge is a tied-arch design, relocated to the south of the existing structure. The contract included reconstruction of 1,400 feet
IMEG provided bridge replacement plans on Turkey Hollow Road over Turkey Hollow Creek in the City of Rock Island. The existing bridge consisted of a three-span, precast concrete channel beam structure, and was replaced with a single-span W36 steel beam bridge with integral abutments and spill-thru slopes. The structure span length is 74’-0” centerline-to-centerline of
IMEG provided schematic rendering and planning services for a new park, pedestrian bridge replacement, and connecting bike path to Sylvan Island. The city received an Illinois Transportation Enhancement Program (ITEP) grant to remove the existing truss bridge and replace it with a new structure, reusing the existing substructure units. Engineers provided a field topographic survey,
IMEG conducted field investigations, a condition assessment of the existing bridge, a load rating analysis (AASHTO –LFR), calculation of Sufficiency Rating, provided updated NBI Data for Inspection report updates, and seismic evaluation of the bridge. IMEG provided justification for the replacements including significant deck deterioration and seismic deficiencies and scours issues. Further, IMEG provided assistance to the
The existing Florence Avenue Bridge carries four lanes of traffic. It is a 218-ft long cast-in-place concrete structure built in 1953 and widened using PC/PS. It is supported on two concrete pier walls. The existing deck has significant deterioration. IMEG provided assistance to The City of Downey in advanced planning and preparation of the Highway Bridge Program
IMEG is providing construction observation, verification, documentation, and inspection services for the $1.4 billion Interstate 74 Bridge Corridor project. The bi-state project spans the Mississippi River in the Quad-Cities between Moline, Ill., and Bettendorf, Iowa.
IMEG provided full-service independent building expert (IBE) services for a new 31-courtroom courthouse. IBE services included civil engineering for third party plan review in coordination with, and addition to, plan reviews by the authorities having jurisdiction over the project. Structural peer review, construction inspector of record, materials testing/special testing and inspections services were also provided.
The design for the 10,000-sf exterior renovation of the City of St. Charles’ landmark Municipal Building utilized sustainable principles to form a compositional hierarchy that accentuates historic architectural elements while creating harmony and balance. The existing lighting was over-lit with HPS and metal halide floods. The challenge was to redesign the lighting to reduce energy,
Veterans Memorial Auditorium is part of the Iowa Events Center, which also includes Hy-Vee Hall, Wells Fargo Arena, and formerly the Polk County Convention Complex (The Plex). A facility study determined that Veterans Memorial Auditorium should be renovated to accommodate state, regional, and national convention activities, eventually replacing The Plex. The renovation included the removal
