87. Keystone Bridge. Located over the North Fork of the South Platte River in McGraw Memorial Park in Bailey.

424. Keystone Bridge. 1995. Chuck Binna on bridge. Source: Chuck and Flora Binna.

425. Keystone Bridge. 1995. Chuck Binna on bridge. Source: Chuck and Flora Binna.

432. Keystone Bridge. April 12, 1985. Site is shown before the bridge was put in. Source: W. P. Simmons

433. Keystone Bridge. 1985. Construction is shown. Source: W. P. Simmons

434. Keystone Bridge. 1985. Construction is shown. Source: W. P. Simmons

435. Keystone Bridge. 1985. Construction is shown. Source: W. P. Simmons

438. Keystone Bridge.

489. Keystone Bridge. 1991. Source: Eve Kuenn.

701. Keystone Bridge. In original location at Mill Gulch. Source: Andy Frost

702. Keystone Bridge. In original location at Mill Gulch. Source: Ruth Clarke