Skip to main content

Treasure Island Causeway (Pinellas County Route 150)

By


The Treasure Island Causeway is a crossing of Boca Ciega Bay located in Pinellas County, Florida.  The Treasure Island Causeway connects the city of Treasure Island to St. Petersburg as a component of Pinellas County Route 150.  The Treasure Island Causeway was original completed during 1939 as a tolled facility.  The three current bridges which comprise parts of the larger Treasure Island Causeway were constructed from 2003-2007.  




Part 1; the history of Treasure Island Causeway

The Treasure Island Causeway connects the cities of Treasure Island and St. Petersburg via the waters of Boca Ciega Bay.  The original Treasure Island Causeway opened during 1939 as a continuation of Central Avenue from St. Petersburg to 107th Avenue on Treasure Island.  The original Treasure Island Causeway can be seen on the 1943 United States Geological Survey Maps of Bay Pines and St. Petersburg.  The Treasure Island Causeway can be seen connecting pre-1945 Florida State Road 233 on Treasure Island to Central Avenue in St. Petersburg.  The original Treasure Island Causeway was a tolled structure but was not part of the State Road System.  



The original Treasure Island Causeway can be seen in a series of undated postcards.  




The three bridges comprising the Treasure Island Causeway were deemed to be structurally deficient following an engineering survey during 2002.  The western and eastern bridges of the Treasure Island Causeway were completed by October 2004.  The new central bridge along Treasure Island Causeway was dedicated during August 2007.  The center Treasure Island Causeway bridge is a bascule span measuring 1,014 feet in length.  Upon reopening the Treasure Island Causeway was no longer tolled. 



Part 2; a drive on the Treasure Island Causeway and Pinellas County Route 150

From Florida State Road 699 in Treasure Island the eastbound lanes of the Treasure Island Causeway are accessible from 107th Avenue.  Pinellas County Route 150 is approximately an 8.1-mile highway which is comprised of 107th Avenue, Treasure Island Causeway and Central Avenue to Florida State Road 687 in St. Petersburg.  



Pinellas County Route 150 eastbound transitions from 107th Avenue to the Treasure Island Causeway.  Pinellas County Route 150 crosses the westernmost Treasure Island Causeway bridge to Paradise Island.  Paradise Island is located in the city limits of Treasure Island.  





Pinellas County Route 150 eastbound crosses over Paradise Island and the center bascule span of the Treasure Island Causeway.  Pinellas County Route 150 enters the city of St. Petersburg along Central Avenue upon landing in the Causeway Islands.  The Treasure Island Causeway center bascule span has a vertical clearance of 18 feet above the waters of Boco Ciega Bay when closed.  









Pinellas County Route 150 eastbound crosses the eastern span of the Treasure Island Causeway and intersects Florida State Road 693 at Pasadena Avenue.  








Labels:

Comments

Post a Comment

Popular posts from this blog

Grand Loop Road of Yellowstone National Park

By
  Grand Loop Road is a 140 mile loop highway which traverses the interior of Yellowstone National Park.  Grand Loop Road connects all of the major attractions and geological features of Yellowstone National Park along with the entrance roads.  Grand Loop Road is a seasonal highway and despite some conjecture never has been part of the US Route System.   Part 1; the history of Grand Loop Road The majority of history pertaining to Grand Loop Road was taken from the below National Park Service article: Historic Roads - Yellowstone National Park (U.S. National Park Service) (nps.gov) Yellowstone was declared the first National Park of the United States on March 1st, 1872.  The first real highway to access Yellowstone National Park came in 1873 when a tolled facility was constructed from Bozeman, Montana via Yankee Jim Canyon to Mammoth Hot Springs.  Numerous attempts were made to fund construction of roadway infrastructure during the early years of Yellows...
Post a Comment
Read more

The last 1956-63 era California Sign State Route Spade?

By
Along southbound California State Route 170 (the Hollywood Freeway Extension) approaching the Hollywood Freeway/Ventura Freeway interchange a white California State Route 134 Sign State Route Spade can be observed on guide sign.  These white spades were specifically used during the 1956-63 era and have become increasingly rare.  This blog is intended to serve as a brief history of the Sign State Route Spade.  We also ask you as the reader, is this last 1956-63 era Sign State Route Spade or do you know of others?  Part 1; the history of the California Sign State Route Spade Prior to the Sign State Route System, the US Route System and the Auto Trails were the only highways in California signed with reassurance markers.  The creation of the US Route System by the American Association of State Highway Officials during November 1926 brought a system of standardized reassurance shields to major highways in California.  Early efforts to create a Sign State Route ...
Post a Comment
Read more

California State Route 70; the Feather River Highway

By
From 2017 through to early 2019 I drove the majority of the California State Route 70; the Feather River Highway from CA 89 southwest to CA 99. CA 70 is an approximately 178.5 mile state highway which starts at US 395 near the Nevada State Line and travels west through the Feather River Canyon to CA 99.  CA 70 is often referred to as the Feather River Highway" given it's close association with the river.  Historically CA 70 was previously signed as US 40A and CA 24.  The Legislative Routes prior to the 1964 California Highway Renumbering that made up the current route of CA 70 are as follows: -  Legislative Route Number 21 from US 395 westward to Oroville. -  LRN 87 from Oroville south to Marysville. -  LRN 232 from Marysville to the current junction with CA 99.  CA 70 was even dual signed with CA 99 into Sacramento on what was LRN 232 for a time. The change from US 40A/LRN 21/LRN 87/LRN 232 can be seen by comparing the 1963 State Highway Ma...
Post a Comment
Read more