Los Patos Way Off-Ramp Underpass
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Los Patos Way Off-Ramp Underpass Historic Structure/Site Report Santa Barbara County Assessor’s Parcel No. 017-010-079 prepared for T.Y. Lin International 707 Wilshire Boulevard, Suite 4900 Los Angeles, California 90017 prepared by Rincon Consultants, Inc. 209 East Victoria Street Santa Barbara, California 93101 Contacts: Shannon Carmack and Susan Zamudio-Gurrola 805-644-4455 [email protected] February 2020 Please cite this report as follows: Carmack, Shannon and Susan Zamudio-Gurrola 2019. Historic Structure/Site Report for Los Patos Way Off-Ramp Underpass, City and County of Santa Barbara, California. Rincon Consultants Project No. 18-06252. Report on file at the South Central Coastal Information Center, California State University, Fullerton, Fullerton, California. Table of Contents Table of Contents Executive Summary ................................................................................................................................ 1 1 Introduction .................................................................................................................................... 2 1.1 Project Description .............................................................................................................. 2 1.2 Personnel ............................................................................................................................ 2 2 Regulatory Framework ................................................................................................................... 5 2.1 California Environmental Quality Act.................................................................................. 5 2.2 California Register of Historical Resources ......................................................................... 5 2.3 City of Santa Barbara .......................................................................................................... 6 3 Historic Context .............................................................................................................................. 8 3.1 Santa Barbara ...................................................................................................................... 8 3.2 Spanish Period (1769–1822) ............................................................................................... 8 3.3 Mexican Period (1822–1848) .............................................................................................. 9 3.4 American Period (1848–Present) ........................................................................................ 9 3.5 Santa Barbara ....................................................................................................................10 3.6 Stone Masonry Construction in Santa Barbara County ....................................................12 4 Background Research ...................................................................................................................14 4.1 Records Review and Archival Research ............................................................................14 4.2 Previous Evaluations .........................................................................................................15 5 Methods ........................................................................................................................................16 5.1 Field Survey .......................................................................................................................16 6 Results ...........................................................................................................................................17 6.1 Architectural Description ..................................................................................................17 6.2 Developmental History .....................................................................................................24 7 Analysis .........................................................................................................................................27 7.1 Significance Assessment ...................................................................................................28 8 Conclusions ...................................................................................................................................32 9 References ....................................................................................................................................33 Figures Figure 1 Project Vicinity .................................................................................................................... 3 Figure 2 Project Location .................................................................................................................. 4 Figure 3 Los Patos Way Off-Ramp Underpass, View from Los Patos Way, Looking West ..............17 Figure 4 Closeup of Riveted Steel Girders ......................................................................................18 Figure 5 Center Sandstone Pier, Looking South ..............................................................................18 Figure 6 Eastern Sandstone Abutment, Looking East .....................................................................19 Historic Structure/Site Report i T.Y. Lin International Los Patos Way Off-Ramp Underpass Figure 7 Western Sandstone Abutment, Looking West ..................................................................19 Figure 8 Closeup of Concrete Alteration, Eastern Abutment, Looking East ...................................20 Figure 9 Closeup of Concrete Alteration, Western Abutment, Looking Northwest .......................20 Figure 10 Closeup of Deteriorated Sandstone Block and Mortar .....................................................21 Figure 11 Closeup of Deteriorated Sandstone Block ........................................................................21 Figure 12 Cable Railing, Wooden Ties, Steel Walkway, and Rock Ballast .........................................22 Figure 13 View of U.S. Route 101 Beyond the Los Patos Underpass, Looking Northwest ...............23 Figure 14 Los Patos Way, Looking Northwest Towards Underpass ..................................................23 Figure 15 Map Showing SPRR Line Ending in Ellwood, Beginning of “The Gap”, 1893 ....................24 Figure 16 SPRR Line Crossing Over Coast Highway and Location of Subject Underpass, 1920 ........25 Appendices Appendix A Preparer’s Qualifications Appendix B Department of Parks and Recreation (DPR) Forms ii Executive Summary Executive Summary T.Y. Lin International retained Rincon Consultants, Inc. (Rincon) to conduct a historical resource assessment of the Los Patos Way Off-Ramp Underpass (Bridge No. 51-0235) in Santa Barbara, California (subject structure). A project is currently under consideration to remove the subject structure, which is owned and operated by the Union Pacific Railroad (UPRR). The purpose of the historical resource assessment is to determine if the subject structure qualifies as a historical resource under the California Environmental Quality Act (CEQA) and if the proposed project would result in an impact to historical resources. Assessment methods included an intensive-level survey of the subject structure, archival research and preparation of this Historic Structure/Site Report. All work was conducted in accordance with the CEQA Guidelines and the City of Santa Barbara’s Master Environmental Assessment Guidelines for Archaeological Resources and Historic Structures and Sites (City of Santa Barbara 2002). The Los Patos Way Off-Ramp Underpass was previously evaluated by Caltrans in 1991 (Snyder 1991; Scott 1992) and, following concurrence from the State Historic Preservation Officer (SHPO) in 1993, was determined ineligible for listing in the National Register of Historic Places (NRHP) (Craigo 1993). At the time, the underpass was not evaluated for listing in the California Register of Historical Resources (CRHR) or for local designation. As part of the current historical resource assessment, Rincon recommends the underpass eligible for listing in the CRHR at the local level of significance under Criterion 1 as it is associated with events that have made a significant contribution to the broad patterns of local history, and Criterion 3 as it embodies the distinctive characteristics of a method of construction. Built in 1901 with local sandstone, the underpass is representative of sandstone architecture and construction, significant to the architectural heritage of the City of Santa Barbara. Therefore, its character-defining features are its sandstone pier and abutments. Non-character-defining features which are utilitarian and ubiquitous include the wooden ties, rails, ballast, girders, wooden posts and cable railing. The underpass is also recommended eligible for local designation as a City of Santa Barbara Landmark or Structure of Merit as it has character, interest or value as a significant part of the heritage of the city (Criterion 3a), it exemplifies a particular architectural style or way of life important to the city, the state or the nation (Criterion 3d), and its unique location and physical characteristics represent an established and familiar visual feature of the neighborhood (Criterion 3i). Further, the underpass meets the City of Santa Barbara’s definition of a significant historic resource, as described in the MEA Guidelines, as a structure that represents a particular architectural style or style that was popular fifty