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The Grand Glaize Bridge is the name of two girder bridges that carry

U.S. Route 54 U.S. Route 54 (US 54) is an east–west United States Highway that runs northeast–southwest for from El Paso, Texas, to Griggsville, Illinois. The Union Pacific Railroad's Tucumcari Line (former Southern Pacific Railroad, Southern Pacific and ...

over the Grand Glaize Arm of the

Lake of the Ozarks Lake of the Ozarks is a reservoir created by impounding the Osage River in the northern part of the Ozarks in central Missouri. Parts of three smaller tributaries to the Osage are included in the impoundment: the Niangua River, Grandglaize Cr ...

in the city of

Osage Beach, Missouri Osage Beach is a city in Camden and Miller counties in the U.S. state of Missouri. Most of the city is in Camden County, while a small eastern sliver is in Miller County. The population was 4,351 at the 2010 census. History Osage Beach was inco ...

. The bridge on official maps is called the "Grandglaize" (one word) as is the body of water it crosses to differentiate it from an entirely different Grand Glaize Creek that is a tributary to the

Meramec River The Meramec River (), sometimes spelled Maramec River, is one of the longest free-flowing waterways in the U.S. state of Missouri, draining Blanc, Caldwell, and Hawk. "Location" while wandering Blanc, Caldwell, and Hawk. "Executive Summary" fr ...

in St. Louis County, Missouri. However, in widespread usage, it is referred to as so in two words. The original two-lane Grand Glaize Bridge was built in 1931 during the construction of

Bagnell Dam Bagnell Dam (informally, the Osage Dam) impounds the Osage River in the U.S. state of Missouri, creating the Lake of the Ozarks. The dam is located in the city of Lakeside in Miller County, near the Camden-Miller County line. The tall concrete ...

and the Lake of the Ozarks. It was a

Warren truss Warren Errol Truss, (born 8 October 1948) is a former Australian politician who served as the 16th Deputy Prime Minister of Australia and Minister for Infrastructure and Regional Development in the Abbott Government and the Turnbull Governm ...

or deck truss structure with the trusses built under the deck so traffic could see the lake. Its unusual design prompted it to be called the "upside down bridge". Other bridges built across the lake at the time including the

Hurricane Deck Bridge The Hurricane Deck Bridge was a truss arch bridge located on Lake of the Ozarks in Camden County, Missouri. It carried Missouri Route 5 across the Osage Arm of the lake. It was perhaps one of the most distinctive features on the lake. It was the o ...

over the Osage Arm and the Niangua Bridge over the Niangua Arm were also deck truss structures. The only non-deck-truss bridge on the lake was the Niangua Arm US 54 Bridge. The bridge was known for its very narrow lanes and no shoulder. The new parallel girder bridge carrying westbound traffic was completed in 1984. A new eastbound girder bridge was built in 1995 and the original bridge was torn down. The bridges carry 3 lanes of traffic each way. In 2023, both the eastbound bridge and westbound underwent rehabilitation by placing epoxy-wearing on the surface. Only one side was done at a time.

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*{{HAER , survey=MO-79 , id=mo1264 , title=Grand Glaize Bridge, Spanning Lake of Ozarks at U.S. Route 54, Osage Beach, Camden County, MO , photos=14 , data=33 , cap=1
Bridgehunter profile
Bridges completed in 1931 Bridges completed in 1984 Lake of the Ozarks Buildings and structures in Camden County, Missouri Road bridges in Missouri U.S. Route 54 Bridges of the United States Numbered Highway System Girder bridges in the United States Historic American Engineering Record in Missouri

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