Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More
Okoboji Bridge, Spanning Strait betweent East & West Okoboji Lakes, U....
Significance: Built in 1929, the Okoboji Bridge is one of only four cantilevered concrete girders known to remain in use on Iowa's highways. Employed where a simpler, less costly steel stringer span would have... More