- still image (57)
- Anchorage (Structural engineering) (11)
- Cables (6)
- Construction workers (5)
- Engineers (1)
- Piers (7)
- Towers (23)
- Trestles (1)
- Trusses (1)
- 1933 Dec. 14 (1)
- 1933 Dec. 16 (1)
- 1933 Dec. 2 (1)
- 1933 June 28 (1)
- 1933 June 5 (2)
- 1933 Nov. 8 (2)
- 1934 Apr. 16 (1)
- 1934 Apr. 6 (1)
- 1934 Dec. 12 (1)
- 1934 Feb. 13 (1)
- 1934 June 17 (1)
- 1934 Mar. (1)
- 1934 Mar. 20 (1)
- 1934 Oct. 8 (2)
- 1934 Sept. 27 (1)
- 1935 May 9 (3)
- 1935 Sept. 23 (2)
- 1936 June 22 (1)
- 1937 May 26 (1)
- [1937 May 26] (1)
- [between 1933 and 1937] (24)
- [n.d.] (7)