Bull Run, Va. New Bridge Built by McDowell's Engineers; Photographer's Wagon at Left (U.S. Civil War) This title refers to a photograph capturing the construction of a new bridge in Bull Run, Virginia, during the United States Civil War. The bridge was built under the supervision of General Irvin McDowell's engineers, indicating it was likely part of the Union Army's infrastructure development for a strategic position or supply route. A wagon belonging to the photographer is also visible at the left edge of the image, suggesting the photograph was taken during the construction process. The photo serves as a historical record of the Civil War, documenting the logistical aspects and engineering efforts undertaken by both Union and Confederate forces in this significant conflict.