Appendix B. Inventory of U.S. Cable-Stayed Bridges, Wind-Induced Vibration of Stay Cables

An inventory of cable-stayed bridges in the United States was created to organize and share existing records with the research team. This database includes information on bridge geometry, cable properties, cable connections, aerodynamic detailing, site conditions, and observed responses to wind. The inventory is stored in Microsoft Access (Microsoft Office) database format, which allows for easy data entry and retrieval. Forms were designed to perform this task, complete with pull-down menus and control buttons, using the Visual Basic^® programming language. These forms for data entry include a "switchboard" form and three categories of bridge data forms: General bridge data, cable data, and wind data.

Overall, 26 bridges have been added to the database, including several from outside the United States. Copies of contract drawings from which data was taken have been copied and filed for future reference. The following is the full list of bridges included in the inventory:

**Table 9. Cable-stayed bridge inventory.**
Bridge	Location	Main Span (ft)
Annacis Bridge	British Columbia	1526
Greenville Bridge (U.S. 82)	Mississippi	1378
Dames Point Bridge	Florida	1300
Fred Hartman Bridge	Texas	1250
Sidney Lanier Bridge	Georgia	1250
Luling Bridge	Louisiana	1222
Sunshine Skyway Bridge	Florida	1200
William Natcher Bridge	Kentucky	1200
Cape Girardeau Bridge	Missouri	1150
Talmadge Memorial Bridge	Georgia	1100
Maysville-Aberdeen Bridge	Kentucky	1050
Pasco-Kennewick Intercity Bridge	Washington	981
East Huntington Bridge	West Virginia	900
FA Route 63 over Mississippi River	Illinois	900
Weirton-Steubenville Bridge	West Virginia	820
Cochrane Bridge	Alabama	780
Clark Bridge	Illinois	756
Chesapeake and Delaware Canal Bridge	Delaware	750
Leonard P. Zakim Bunker Hill Bridge	Massachusetts	745
Sixth Street Bridge	West Virginia	740
Burlington Bridge	Iowa	660
Veterans Memorial Bridge	Texas	640
Varina Enon Bridge	Virginia	630
PR 148 over La Plata River	Puerto Rico	525
Sitka Harbor Bridge	Alaska	450
Foss Waterway Bridge	Washington	350

1 ft = 0.305 m

Switchboard

Overall control of data entry and referential integrity between categories is provided by a switchboard from which the user selects which type of data to enter or retrieve. An example of the switchboard is shown below. The user may select from the three categories to either add a new entry or edit an existing entry. The selection will open data entry forms for the category requested.

General Bridge Information

General bridge information is divided into two sections. General information includes bridge name, designers, suppliers, and bridge location. Structural data includes information on the superstructure, tower, cable, anchorages, and crossties.

Figure 30. Photo. U.S. cable-stayed bridge database: General bridge information.

Cable Data

Cable data is divided into four sections: Cable geometry, cable properties, cable connections, and aerodynamic details. Cable geometry gives the end coordinates and calculates the cable length. Cable properties include strand type, size, dead load tension, and the protection system. Cable connections describes upper and lower anchors and fatigue test information. Aerodynamic details include descriptions of dampers and sheathing surface treatment. Information for each cable of the bridge is given individually.

Wind Data

Wind data includes bridge dynamic modes, superstructure mass, design wind speeds, and vibration measurement information. Data has only been entered for the Cape Girardeau Bridge.