State Road 510

SR 510 connects U.S. 1 and CR 510 (85th Street) at Wabasso with the town of Orchid and SR A1A across the A.B. Michael Bridge. The 2.61 mile long state road represents one of three bridges spanning the Intracoastal Waterway between inland Indian River County and the barrier island.

Replacing a swing bridge, the high rise span taking SR 510 across the Indian River opened to traffic in 1970. A request by the Board of County Commissioners in 1964 called for naming the future crossing the A.B. Michael Bridge, after an Orchid Island citrus grower who brought world wide attention to Indian River citrus. A likely typo due to the ten years it took to construct the span, State Road 510 Bridge No. 53 was designated by the Florida Department of Transportation (FDOT) as the A.B. Mitchell Bridge. A resolution passed by the County Commissioners on September 17, 2019 requested that the Florida Legislature redesignate the crossing as the A.B. Michael Bridge.¹

East

CR 510 loops 5.88 miles southeast from CR 512 (Fellsmere Road) around Sebastien to become SR 510 at U.S. 1 in Wabasso.
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The first confirming marker for SR 510 east precedes 85th Place.
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SR 510 crosses a flood relief bridge ahead of Wabasso Causeway Park.
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The Wabasso Causeway Bridge is a low level span crossing the Indian River east onto Wabasso Island.
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The A.B. Michael Bridge is a fixed, high rise span crossing the Intracoastal Waterway.
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SR 510 enters the town of Orchid east of the Intracoastal Waterway.
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SR A1A is unmarked from SR 510 east.
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SR 510 (Wabasso Beach Road) concludes across from Wabasso Beach Park along the Atlantic Ocean.
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West

The first confirming marker for SR 510 stands to the immediate west of SR A1A along Wabasso Beach Road.
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SR 510 runs along the southern boundary of the Orchid town limits west from Jungle Trail to the A.B. Michael Bridge.
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The A.B. Michael Bridge spans the Intracoastal Waterway and Michael Island southwest from Orchid to Wabasso Island.
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The first of three bridges west of Wabasso Island crosses an inlet ahead of Wabasso Causeway Park.
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The Wabasso Causeway Bridge spanning the Indian River was built in 1967.
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SR 510 (Bridge Boulevard) curves west from 86th Place to meet U.S. 1 across from CR 510 at Wabasso.
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U.S. 1 leads south to Winter Beach and the city of Vero Beach and north into the city of Sebastian.
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