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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