The following specifications define the materials used in old bridges still in use in Texas.
| Year | Title | Format |
| 1918 | Specifications and Contracts |  |
| 1920 | Specifications: Roads and Bridges | |
| 1920 | Specifications: Road and Bridge Construction in Travis County | |
| 1925 | Standard Specifications for Road and Bridge Construction | |
| 1926 | Road and Bridge Specifications | |
| 1934 | Special Bridge Specifications | |
| 1935 | Specifications for Design of Structures | |
| 1939 | Bridge Specification Material Requirements | |
| 1950 | Standard Specification for Road and Bridge Construction | |
| 1962 | Standard Specification for Road and Bridge Construction | |
| 1972 | Standard Specification Construction of Highways, Streets and Bridges | |
| 1982 | Standard Specification Construction of Highways, Streets and Bridges | |
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