Delaware State Bridge No. 21A, Operator's House, Spanning Mispillion R...
Significance: Delaware Bridge 21A is a typical example of a Scherzer-type, rolling-lift bascule bridge, and the Operator's House is a standard design used on many movable bridges designed by the firm of Keller ... More
Delaware State Bridge No. 21A, Operator's House, Spanning Mispillion R...
Significance: Delaware Bridge 21A is a typical example of a Scherzer-type, rolling-lift bascule bridge, and the Operator's House is a standard design used on many movable bridges designed by the firm of Keller ... More
Delaware State Bridge No. 21A, Operator's House, Spanning Mispillion R...
Significance: Delaware Bridge 21A is a typical example of a Scherzer-type, rolling-lift bascule bridge, and the Operator's House is a standard design used on many movable bridges designed by the firm of Keller ... More
Delaware State Bridge No. 21A, Operator's House, Spanning Mispillion R...
Significance: Delaware Bridge 21A is a typical example of a Scherzer-type, rolling-lift bascule bridge, and the Operator's House is a standard design used on many movable bridges designed by the firm of Keller ... More
Delaware State Bridge No. 21A, Operator's House, Spanning Mispillion R...
Significance: Delaware Bridge 21A is a typical example of a Scherzer-type, rolling-lift bascule bridge, and the Operator's House is a standard design used on many movable bridges designed by the firm of Keller ... More
Delaware State Bridge No. 21A, Operator's House, Spanning Mispillion R...
Significance: Delaware Bridge 21A is a typical example of a Scherzer-type, rolling-lift bascule bridge, and the Operator's House is a standard design used on many movable bridges designed by the firm of Keller ... More