The Missouri Valley Bridge & Iron Co., also known as Missouri Valley Bridge Company, was a firm that built many bridges. It was based in Leavenworth, Kansas, with a WW II facility in Evansville, Indiana.
Many of the company's bridges are listed on the U.S. National Register of Historic Places. They include:
19th Street Bridge, built 1888, 19th St., Denver, CO (Missouri Valley Bridge & Iron Co.), NRHP-listedCairo Mississippi River Bridge, built 1929, Cairo, Illinois to Bird's Point, Missouri (Missouri Valley Bridge & Iron Co.)Chevelon Creek Bridge, Chevelon Creek, SE of Winslow, Winslow, AZ (Missouri Valley Bridge & Iron Co.), NRHP-listedCottonwood River Bridge, KS 177, N edge of Cottonwood Falls, Cottonwood Falls, KS (Missouri Valley Bridge & Iron Co.), NRHP-listedCottonwood River Pratt Truss Bridge, Main St., 0.8 mi. W of int with 1st St., Cedar Point, KS (Missouri Valley Bridge Co.), NRHP-listedCrooked River Railroad Bridge (Oregon, 1911)Delaware River Warren Truss Bridge, Coyote Rd., 190th St., 4.1 mi. S, 0.5 mi. E of Fairview, Fairview, KS (Missouri Valley Bridge & Iron Co.), NRHP-listedEast Fork Wolf Creek Pratt Truss Bridge, W 290th Dr., 0.8 mi. E of jct. with S. 50th Ave., 2.0 mi. S and 4.0 mi. E of Cheyenne, Delhi, KS (Missouri Valley Bridge Co.), NRHP-listedEleventh Street Arkansas River Bridge, US 66 over the Arkansas R., from Tulsa to W. Tulsa, Tulsa, OK (Missouri Valley Bridge & Iron Co.), NRHP-listedFish Creek Bridge, AZ 88, milepost 223.50, Tortilla Flat, AZ (Missouri Valley Bridge & Iron Co.), NRHP-listedHobbs Creek Truss Leg Bedstead Bridge, On Hobbs Creek Rd., 0.6 mi. W of jct with Solomon Rd., Gypsum, KS (Missouri Valley Bridge & Iron Co.), NRHP-listedLabo Del Rio Bridge, Cty. Rd. F40 over Piedra River, Arboles, CO (Missouri Valley Bridge Company), NRHP-listedLakewood Park Bridge, One Lakewood Dr., 0.01 mi. N of jct. with Iron Ave., Salina, KS (Missouri Valley Bridge & Iron Works), NRHP-listedLewis and Clark Bridge, Over the Missouri R., MT 13, Wolf Point, MT (Missouri Valley Bridge and Iron Co.), NRHP-listedNinth Street Bridge, E of new 9th Street bridge, over Boise R., Boise, ID (Missouri Valley Bridge & Iron Co.), NRHP-listedNodaway River Bridge, Pedestrian path in Pilot Grove County Park, Grant, IA (Missouri Valley Bridge and Iron Co.), NRHP-listedSouth Canon Bridge, Cty. Rd. 134, Glenwood Springs, CO (Missouri Valley Bridge & Iron Co.), NRHP-listedState Bridge, Off CO 131, State Bridge, CO (Missouri Valley Bridge Company), NRHP-listedState Highway 3 Bridge at the Nueces River, US 90, 13 mi. E of jct. with Kinney Cnty., Uvalde, TX (Missouri Valley Bridge & Iron Co.), NRHP-listedWaco Suspension Bridge, over Brazos River, Waco, TX (1914 rehabilitation by Missouri Valley Bridge & Iron Co.), NRHP-listedThe Oregon Trunk Rail Bridge, a non−NRHP-listed one, was erected by the company across the Columbia River in Oregon and Washington. It is an approximately 3,000-foot (910 m) railroad bridge across the river, built in 1911 and opened in January 1912. The steel superstructure was manufactured by the Pennsylvania Steel Company, and erected by MVB&I company.
During World War II the MVB&I company opened two shipyards, at Evansville, Indiana and at Leavenworth, Kansas. 171 LSTs (Landing Ship, Tank) were built during the war at Evansville, before the yard closed in 1945. The company ranked 98th among United States corporations in the value of World War II military production contracts.
The Leavenworth yard built a wide range of smaller naval and military vessels, continuing in business after the war, producing mainly towboats and barges until 1982.