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Rhomberg Avenue Bridge Article Copyright 2014 City of Dubuque Consent Items # 4. ITEM TITLE: Rhomberg Avenue Bridge Article SUMMARY: City Manager transmitting Rhomberg Avenue Bridge article from ASPIRE Tm The Concrete Bridge Magazine SUGGESTED DISPOSITION: Suggested Disposition: Receive and File; Make Matter of Record ATTACHMENTS: Description Type Rhomberg A\enue Bridge Article Supporting Documentation I �h. A 1 THE CONCRETE BRIDGE MAGAZINE WINTER 2017 CL CL ALM 7 i��llllllll !Ill;ii iVill!II " r AMW - .. � � r 01 �Redy rid oad Kansas ' ssouYi 4 LONG KEY BRIDGE PIER REPLACEMENT w Monroe County,Florida BRIDGE 85851 y z Winona,Minnesota • ' W .��. RHOMBERG AVENUE BRIDGE Dubuque,Iowa LAS VEGAS AIRPORT INTERCHANGE L9S 'ON lmued _ Las Vegas,New Mexico ,k)j'uoihunr uouepi Pied a6elsod - PlepuelS Palaosaad PROJECT RhornbergBridge Upper Bee Branch Creek Restoration Project bridges community,creativity,and collaboration by Michael A. Jansen, IIW P.C. When the city of Dubuque, Iowa, wraps around a former industrial site. including preservation of local launched its flood mitigation project— Construction of the Lower Bee Branch businesses and services, minimization the largest capital improvement project Creek started in the fall of 2010 and of property acquisitions, affordability, in the city's history—residents and was completed in November of 2011. preservation of neighborhood access the city focused on how a watershed The Upper Bee Branch Creek segment, and connectivity, minimize health and solution could also serve as a catalyst currently under construction, will have safety risks, and minimize impacts to for neighborhood reinvestment and a 2300-ft-long landscaped creek and quality of life and the environment. revitalization. Through many public green space that accommodates low The city council moved forward with meetings, it became clear residents intensity recreational use. the recommendation to create an open were not only concerned about channel by day-lighting the Bee Branch eliminating devastating flooding, but Community Expectations Creek. they wanted amenities that would In August 2003, the Dubuque City support a sustainable neighborhood Council formed a committee to study In the fall of 2008, the design for the with enhanced quality of life. This the flooding issues in the North End Bee Branch Creek Restoration was flood mitigation project will protect and Washington Street neighborhoods. initiated. In order to understand the over 1300 homes and businesses. To help the committee evaluate community's vision for the project, The project has the added value of solutions, they established six criteria, the design team held a series of improving water quality and property _ values, stimulating investment, and enhancing quality of life. The Bee Branch Creek Restoration project takes former industrial, commercial, and residential properties and creates an open waterway with a iin'. linear park—complemented by a highly visible bridge, culvert, and overlook — - structures, recreation green space and _ trail, outdoor amphitheater, community orchard, and playground equipment. The Lower Bee Branch Creek segment includes a channel connected to a large expanse of open water that Completed Rhomberg Avenul Ige.All Photos and Figures: IIW P.C. RHOMBERG AVENUE BRIDGE / DUBUQUE, IOWA prof i I e BRIDGE DESIGN ENGINEER: IIW P.C.,Dubuque,Iowa PRIME CONTRACTOR:Tricon Construction,Dubuque,Iowa BRIDGE SUBCONTRACTOR:Jim Schroeder Construction,Bellevue,Iowa STAMPING SUBCONTRACTOR:D&D Superior Concrete Construction,Dubuque,Iowa PRECASTER: Crest Precast Inc.,LaCrescent,Minn—a PCI-certified producer 20 ASPIRE Winter 2017 clearance for a multi-use recreational r ReN=oeceo trail beneath one of the end spans. PPR04CH 1' 9" 1' 6,. P°„ENENT The bridge profile was based on the Y° RADIUS, a'-� 6E5 existing street profile due to limited AHFNFNT P°T°" �',, R, approach lengths. 5eA MESTT The superstructure i a 6e1 (EAST) ELEV 606.68cross section Was . I s influenced by multi- -_ EA°KFACE = �` 9 RD��TFA�E transportation modes 5s1 CLR3" and provided a gradual ELEV SX_ 602.64 BRG SEAT 6G2.,B transition and fit to the Sm "�LS11I`USED I`]ECPPEJE `n, (� EEAP.INC PAD C61-- two lane Urban street. -. SUR STRUCTURF VIAI CAST MOND-ITT C WITH 2' 'E 5' .o A31JTS I _C-P CLR 1� a °R"°° The Rhomberg Avenue Bridge, one of US four bridges making up the Bee Branch Creek Restoration project, is a 90- by 45-ft, 3-span (27.5-35-27.5 ft), 00 ELEV - skew, continuous cast-in-place concrete 594.64 slab bridge. The superstructure cross �ILL PILL DLI°ILS section was influenced by multi- transportation modes and provided a gradual transition and fit to the two SECTION NORMAL TO ABUTMENT © q lane urban street. A raised, cantilevered sidewalk was incorporated with an Rhomberg Avenue Bridge abutment detail. 8-in. curb adjacent to the bike lane and traffic corridor. three public workshops. The public understanding of the project's impact, workshops included visual preference allowing for important input prior to The gravity and lateral design exercises using photographs to finalizing the design. parameters were based on the sixth illustrate bridge structure types, edition of American Association of shapes, and materials. The Keystone Design Aspects State Highway and Transportation Bridge, a historic stone arch bridge in The geometry of the bridges for the Officials' AASHTO LRFD Bridge Design Elkader, Iowa, was overwhelmingly Bee Branch Creek Restoration project Specifications, including HL-93 criteria recommended by the public. was driven by their core purpose to and a future wearing surface. Flowing provide vehicular and pedestrian water velocities were relatively low at As the design was developed, three- passage over the waterway and storm about 7 ft/s, primarily due to the low dimensional modeling and animation water conveyance. The bridges over stream slope (0.5%). were utilized to help residents and the the Upper Bee Branch Creek span the Driven concrete-filled steel pipe (14 city visualize several alternatives, and flowing creek with approximately 16 in. diameter by 0.375 in. thickness) detail the various project components. ft of water surface elevation change displacement piles were utilized This provided an authentic while providing horizontal and vertical due to the depth to bedrock of CITY OF DUBUQUE, OWNER PRIME CONSULTANT:Strand&Associates,Madison,Wis. LANDSCAPE ARCHITECT. Ken Saiki Design,Madison,Wis. GEOTECHNICAL ENGINEER:Allender Butzke Engineers,Urbandale,Iowa BRIDGE DESCRIPTION:A 90-by 45-ft,3-span(27.5-35-27.5 ft)00 skew,continuous cast-in-place concrete slab STRUCTURAL COMPONENTS:A 161/4-in.-thick reinforced cast-in-place concrete slab with 3-ft-thick abutments with expansion bearings,and pile bent fixed bearing piers with fully encased piles;six precast concrete arch facade panels coupled with cast-in-place decorative piers and curved planters incorporating formliners and multi-color stain;Texas classic crash tested barrier rail system and custom railing panels/light pole bases. BRIDGE CONSTRUCTION COST: $1,426,040 (includes substructure,superstructure,arch surface treatment,precast panels,railing,planters,and approaches) ASPIRE Winter 2017 21 J R ir vehicle type/frequency, and design —'�'� x- - �MR, Lir--- speed. Innovative precast concrete Op P a�`' - fa4ade panel enhancements, to give / J the illusion of a series of limestone 1 arches, were important features to satisfy the public workshop visual preferences. The precast concrete panels have gravity and lateral support as at the substructure. Lateral support at the top is provided by the sidewalk, which cantilevers over the precast concrete panels to conceal and protect the top connection while maintaining yf independence for deflection and expansion/contraction. Formliner selection and color were s critical to emulate native Dubuque limestone. A 12 in. cut limestone pattern was used for support/base Rhomberg Avenue Bridge creates a gateway experience. elements, while a smaller random ashlar pattern was selected for the precast concrete panels compatible approximately 200 ft, and presence deadman. An analysis was performed with the massing. Since both cast-in- of fine to coarse sands with standard of the slab/abutment load transfer place and precast concrete elements penetration test (SPT) blows per foot as well as a soil-structure interaction were used, field application of a ranging from about 10 to 15 through analysis on the deadman cells to custom water-based multi-color stain the majority of the driven pile length. determine reinforcing requirements. was used to provide a consistent The nominal axial bearing resistance for appearance. The barrier railing was construction control was determined The Upper Bee coated with a solvent-based, single- from a noncohesive soil classification color stain due to more aggressive and a geotechnical resistance factor Branch Creek bridges service conditions of salt, moisture, and of 0.55. The required nominal axial were seen as an sunlight on the horizontal and vertical bearing resistance was 127 tons for surfaces. the abutment piles, and 120 tons for opportunity to create a the pier piles at the end of pile driving, gateway experience for It was recognized the stain will require which required a wave equation periodic maintenance. However the analysis for pile driving (WEAP) with travelers. bridge service life will likely extend bearing graph. into the next century due to the The Upper Bee Branch Creek bridges durability of continuous concrete slabs, Pile bent fixed bearing piers (45 ft were seen as an opportunity to create a incorporation of Iowa Department of wide, 19 ft high, and 2 ft thick) with gateway experience for travelers at the Transportation (lowaDOT) concrete fully encased piles and a 3-ft-high pier street level and to send a message that mixtures, and utilization of epoxy- cap were utilized to minimize debris they were entering something unique coated reinforcement. accumulation and provide superior and special. This was the driving in-plane lateral load resistance. The pier force behind incorporating planters Construction Sequencing height was driven by the "low flow" with pedestrian viewing and seating The Rhomberg Avenue Bridge was channel beneath the center span and areas and open railings. The bridge located within 50 ft of a historic calculated scour depths, placing the elevations required a high attention structure. Therefore, vibration due bottom of pier approximately 3.5 ft to detail, heavily influenced by strong, to pile driving was a concern. A below the channel bottom. predominantly horizontal lines while preconstruction analysis based on recognizing the longitudinal street information from the National Highway High abutments were provided profile and adapting to the level lines Institute and the IowaDOT revealed for stormwater conveyance and of the formliners. peak particle velocities with the underpass trail clearance requiring a potential for damage to the existing unique application of an integral slab/ Creative application of a Texas Classic structures to warrant a heightened abutment with expansion bearing for open barrier rail system and custom monitoring protocol. This included the upper portion and creating cells railing panels embossed with the a condition assessment, real-time integral with the planter substructure street name were incorporated. A Test vibration monitors, crack gauges, and for the lower 8 ft of the abutment Level Two (TL-2) crash tested railing survey monitoring. At completion of to resist lateral forces similar to a was selected based on a local street, the bridge construction in the summer 22 ASPIRE Winter 2017 - - � z •. � ;J'l`P III ' [ t z 4 ,:..\ Superstructure under construction. Formliner used on inside and outside corners. of 2016, no movements were detected nor any other adverse effects to the HAMILTON FORM CREATES FUNCTION existing buildings. ASTUDY The majority of the structure was designed and constructed as a typical ARCHED SOFFIT FOR CURVED BRIDGE BEAM IowaDOT continuous concrete slab bridge. The contractor was able "The curved beams for this project were critical. Hamilton Form's soffit made the casting simple. to utilize their standard forms and I always count on them when quality and falsework and complete the core dimensional accuracy are critical." substructure and superstructure Dennis Fink,General Manager,Plant Operations elements efficiently. Northeast Prestressed Products,LLC l Just as attention to detail was important in the design, it was even more important during construction. Careful selection of construction joint locations in the design were important to recognize the expansion/contraction requirements. Constructability, coupled with aesthetic considerations, influenced the field- approved construction joint locations. Irregular formliner surfaces requiredlab close attention to the quality of outside corners, and especially inside corners, TheProlect: which were more difficult. The Frederick Avenue Bridge in Baltimore,designed to replicate the historical character of the original bridge built in 1930. The Rhomberg Avenue Bridge TheChallenue: was completed in the summer of Northeast Prestressed Products supplied the precast elements including 2016. This bridge, along with this 12 arched sections assembled to replicate the look of the original double arches. entire urban revitalization project, is The Solution: a superb example of understanding Hamilton Form fabricated a 44'long soffit that curves to a 52'6"radius,holding tight expectations, paying attention to dimensional tolerances. detail, and collaborating to meet The Results: performance criteria and contribute The quality of the precast product is dependent on the form it's cast in. to quality of life with the built The resulting product is stunning. environment. 0 When your project calls for innovative,flexible formwork solutions. Callon Hamilton Form. 817 590-2111 or sales@hamiltonform.com Michael A. Jansen is chief executive officer and principal civil & structural Hamilton Form Company, Ltd. engineer at IIW P.C.in Dubuque,Iowa. ro 7009 Midway Road•Fort Worth,Texas 76118 Custom forms. Custom equipment.Practical solutions. ASPIRE Winter 2017 23