| 11. | The Pratt truss / swing truss bridge was built in 1916.
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| 12. | A temporary truss bridge was built to support the bridge and provide access.
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| 13. | The project included the present steel through truss bridge across the Patuxent River.
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| 14. | In 1960 a new concrete bridge replaced the steel truss bridge.
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| 15. | That bridge was replaced in 1886 with an iron truss bridge.
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| 16. | This is a truss bridge, with the superstructure made of steel.
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| 17. | The latter crosses the river of Stj�rdalselva on a truss bridge.
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| 18. | The AJX bridge is the only surviving cantilevered deck truss bridge in Wyoming.
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| 19. | Until recently coal trains still backed out on the truss bridge.
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| 20. | Early European truss bridges used king post and queen post configurations.
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