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I-69 and 106th Street Interchange

by BridgesFeatured ProjectsLand AcquisitionPortfolioSurveyingTransportation

I-69 and 106th Street Interchange

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I-69 and 106th Street Interchange

Client

Indiana Department of Transportation(INDOT)

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Project Description:  This multi-agency project with INDOT, City of Fishers, and Hamilton County provided a new interchange on I-69 at 106th street that has served as a catalyst for economic development while reducing congestion along the busy I-69 corridor. The purpose of the project was to create a new access point to I-69 and improve the traffic operations of the adjacent interchanges at 96th Street and 116th Street. United was selected and worked through the evaluation of the different interchange alternatives. The chosen alternative for the interchange featured a two-lane, oval-shaped roundabout on 106th Street over I-69 including ramps to and from both directions of the interstate. Two separate two-lane bridges carry one direction of traffic. The westbound traffic bridge on the north side of 106th Street was also designed to accommodate pedestrians.

Approximate Construction Cost:  $21,000,000

Breadth of Services Provided: Traffic Counting, Traffic Analysis, Road Design, Bridge Design, Hydraulics, Pavement Design, Utility Coordination, Regulatory Permits, Right-of-Way Engineering, and Land Acquisition

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Jackson Street Causeway Pedestrian Walkway

by BridgesConstruction InspectionPortfolio

Jackson Street Causeway Pedestrian Walkway

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Jackson Street Causeway Pedestrian Walkway

Client

City of Cicero

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This year, the Town of Cicero’s Lights Over Morse Reservoir Festival during the July 4th weekend not only celebrated our country’s independence but also celebrated the opening of the long-anticipated walkway.  The new walkway provides a safe way for residents move from one side of the town to the other side over Morse Reservoir.  This beautiful new community fixture was much-needed and provides more accessibility and connectivity to the town.

 Project Description: This project provides a walkway along the Morse Reservoir Jackson Street causeway and provides a safe pedestrian connection between Red Bridge Park and Community Park on each side of the reservoir.

The three main spans over the waterway utilize prefabricated steel trusses while the 18 remaining spans utilize side-by-side prestressed concrete double-t beams with a concrete overlay.  Shell-piles proved to be a cost effective solution for the 21-span structure.  Steel sheet piling with a concrete facing tie the proposed walkway into the existing topography.  Decorative pedestrian railing and lighting provides safe passage for pedestrians while also enhancing the aesthetic impacts to the trail.

A major challenge for this project was coordinating the construction with the existing utilities, which included overhead power lines parallel to the alignment of the pedestrian bridge.  The power utility temporarily de-energized their power lines so the contractor could set the bridge components, and permanently relocated their facilities onto the new pedestrian bridge.

Approximate Construction Cost:  $2,400,000

Breadth of Services Provided:  Design Services and Construction Inspection

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Operation Indy Commute – I-65 & I-465

by BridgesPortfolioTransportation

Operation Indy Commute – I-65 & I-465

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Operation Indy Commute – I-65 & I-465

Client

Indiana Department of Transportation (INDOT)

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Project Description:  This project included a new westbound I-465 to southbound I-65 fly-over ramp, added travel lanes on I-65 and I-465, ramp and median reconstruction, lighting, signing, retaining walls, and noise walls.  The new bridge carrying westbound I-465 to southbound I-65 included 11 spans of pre-stressed concrete I-beams and is approximately 1,400-feet long.  The entire design was completed on a fast track, 15-month schedule with United Consulting teaming with American Structurepoint to deliver this successful project for INDOT.

Approximate Project Cost:  $40,000,000

 This video shows the project from start to finish.

 
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Wabash County Bridge No. 645

by BridgesLand AcquisitionPortfolioSurveyingTransportation

Wabash County Bridge No. 645

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Wabash County Bridge No. 645

Client

Wabash County

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Project Description: Rehabilitation of the existing historic timber covered bridge in North Manchester, Indiana. The construction involved temporarily supporting the bridge while members of the timber trusses were removed and replaced or repaired.  The existing members had to be inspected to determine if they could be reused or if they needed to be replaced. Replaced members had to closely match the original look of the timber bridge for historic purposes. A new timber shake roof was placed, the siding repaired and repainted, and the bridge was re-leveled to its original appearance. At completion, the bridge reopened to both pedestrian and vehicular traffic.

Steve Olsen of North Manchester Real Time Photography documented  the bridge’s rehabilitation in the following video.

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Madison County Bridge No. 123 / 600 W over White River

by BridgesLand AcquisitionPortfolioSurveyingTransportation

Madison County Bridge No. 123 / 600 W over White River

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Madison County Bridge No. 123 / 600 W over White River

Client

Madison County

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Project Description: Madison County Bridge No. 123 carries CR 600 West over the White River in Madison County. The structure is a four-span, continuous variable depth concrete girder with simple span concrete end-spans. The rehabilitation project included a complete deck replacement and reconstruction of the end-spans with prestressed concrete I-beams making them continuous with the existing historic concrete girders.

United developed a design and construction method for this structure that allowed for the deck replacement without any temporary supports for the historic girders. The negative moment reinforcement in the deck was maintained over the girders and the new deck constructed above this reinforcement using a staged pour sequence to reduce construction loading. The design also eliminated two expansion joints by making the approach spans continuous with the main span. This eliminated on-going maintenance concerns for the County and significantly extended the useful service life of this structure. These unique design concepts saved the county in both construction cost and schedule.

Approximate Construction Cost: $1,200,000

Breadth of Services Provided: Design Survey, Roadway Design, Bridge Design, Scour Analysis, Right-of-Way Acquisition, and Environmental Coordination, and Report Preparation

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US 231 Phase III – New Road Construction

by BridgesPortfolioSurveyingTransportation

US 231 Phase III – New Road Construction

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US 231 Phase III – New Road Construction

Client

Indiana Department of Transportation (INDOT), Spencer County

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Project Description:  US 231 Phase III Project in Spencer County is comprised of new terrain freeway totaling 4.5 miles of four-lane divided roadway with a grass median and two bridges in Spencer County.  The project includes a railroad grade separation and a diamond interchange at SR 162.  The project traverses densely wooded new terrain with large elevation changes and strip pits from past mining activities.  Four local roads were relocated to maintain the limited access feature of the new US 231 freeway.

The project required extensive coordination with the INDOT Office of Geotechnical Engineering due to possible mine subsidence, ponds, and the types of soil identified in the soil boring including coal, shale, and sandstone.  The project bisects three local service roads, a railroad, and State Road 162.  Coordination with the local agencies, Hoosier Railroad identified solutions to minimize the new alignments impacts on the community.

The location control route survey and topographic survey included full ground survey on a terrain that included over 100 feet of elevation changes, ponds, and strip mines. The new alignment traversed land with elevation changes of more than 50 feet and was previously mined.  Mining operations created unique geotechnical challenges which were coordinated as the project encountered mine spoils and created ponds.

Approximate Project Cost:  $25,500,000

Breadth of Services Provided:  Topographic Survey, Regulatory Permit Applications,  Roadway Design, Bridge Design, Complex Sign Design, and Utility Coordination

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US 31 South Bend New Roadway, Marshall and St. Joseph Counties

by BridgesPortfolioSurveyingTransportation

US 31 South Bend New Roadway, Marshall and St. Joseph Counties

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US 31 South Bend New Roadway, Marshall and St. Joseph Counties

Client

R.W. Armstrong Associates for Indiana Department of Transportation (INDOT)

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Project Description:  With the goal of reducing congestion and improving safety and mobility along the route, United completed preliminary and final design on 15 bridges for the upgrade and realignment of US 31 from US 30 in Plymouth to the US 20 bypass in South Bend.  These projects included multiple bridge types from single-span prestressed girders to a three-span steel plate girder structure with integral post-tensioned straddle bent pier caps at a single-point interchange.

United also completed the “Fast Track” rural five-mile Grading Contract and the more complex urban design in the northern two miles.  The six different urban Contracts included pavement reconstruction, retaining walls, local road improvements, bridge replacements, signing, signal design, and a single-point urban interchange.

This project is part of the larger Major Moves initiative to upgrade the route to freeway standards from Indianapolis to South Bend.

Approximate Project Cost:  $316,000,000

Breadth of Services Provided: Supplemental Topographic Survey, Roadway Design, Bridge Design, Regulatory Permit Acquisition, Utility Coordination, Right-of-Way Engineering and Right-of-Way Buying

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Interchange Modifications at I-465 and I-74

by BridgesPortfolioTransportation

Interchange Modifications at I-465 and I-74

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Interchange Modifications at I-465 and I-74

Client

Indiana Department of Transportation (INDOT)

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Project Description:  The project included the complete reconstruction of the system to system interchange at I-465 and I-74.  It also reconstructed the interchange access from I-465 to Brookville Road and Shadeland Avenue.  The interchange configuration involved extensive coordination with geotechnical to determine the most cost-effective solutions for the fly-over ramps.  It was determined in that longer bridges were more economical than walls due to the existing soil conditions.  Maintenance of Traffic was a major component of the design due to the urban environment.  Additionally, detention and lift station designs were completed as part of the project to facilitate drainage.

Approximate Project Cost:  $74,000,000

Breadth of Services Provided:  Regulatory Permit Applications, Roadway Design, and Bridge Design

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Carroll County Bridge No. 142

by BridgesPortfolio

Carroll County Bridge No. 142

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Carroll County Bridge No. 142

Client

Carroll County Commissioners

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Project Description:  The project consisted of the construction of an eight-span, variable depth, reinforced concrete Girder Bridge carrying Carroll CR 250 W over the Wabash River.  Project also included a new widened deck slab, end bearing replacement, new expansion joints, replacement of one girder section, and approach improvements.  Project necessitated coordinating with the Indiana Department of Natural Resources, Division of Historic Preservation and Archaeology (SHPO), and other Section 106 Consulting Parties to work towards an amicable solution.  This coordination was documented in a Memorandum of Agreement (MOA) that became a part of the environmental documentation for the project.  In addition to historic concerns, the project also required further coordination and investigation with the U.S. Fish and Wildlife Service to ascertain possible impacts to a Federally endangered mussel.  This coordination resulted in special construction techniques to limit any possible impacts to this species.

Approximate Project Cost:  $1,100,000

Breadth of Services Provided:  Historical Agency Coordination, Environmental Analysis, Bridge Design, Study Report, Right-of-Way Engineering, Land Acquisition Services, and Construction Inspection

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I-70 Interchange Modifications at US27

by BridgesConstruction InspectionPortfolioSurveying

I-70 Interchange Modifications at US27

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I-70 Interchange Modifications at US27

Client

Indiana Department of Transportation (INDOT), Richmond, IN

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Project Description:  The US 27 over I-70 bridge is a two-span continuous composite steel plate girder structure with a total length of 182 feet.  It consists of a complex geometry and design with access ramps tying in at each corner of this single point interchange.

This interchange was designed to increase traffic flow by reducing the number of traffic signals to efficiently move traffic to and from the ramps and along US 27 mainline.  Large “edge girder” members were designed with connections to multiple members which carry the forces and moments to the large splice plates which rest on pot bearing s located on either side of the center pier.  More than 430 tons of structural steel and over 2000 cubic yards of concrete were used for this structure.  Curved, open window, decorative bridge railing sits atop the bridge deck, and tinted ashlar block architectural treatment accent the pier face and retaining walls below.

Approximate Project Cost:  $2,700,000

Breadth of Services Provided:  Survey, Environmental Services, and Bridge Design