Ohio State Route 550

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State Route 550 marker

State Route 550
Route information
Maintained by ODOT
Length: 40.58 mi[3] (65.31 km)
Existed: 1976[1][2] – present
Major junctions
West end: US 33 near Athens
East end: SR 7 near Marietta
Location
Counties: Athens, Washington
Highway system
SR 547 SR 551

State Route 550 (SR 550) is an east–west state highway in the southeastern portion of the U.S. state of Ohio. The western terminus of SR 550 is at an interchange with US 33 just north of the city limits of Athens, immediately south of the southern terminus of SR 13. The eastern terminus of SR 550 is at an intersection with SR 7 just west of Marietta.

Route description[edit]

Along its way, SR 550 passes through the counties of Athens and Washington. There is no section of the highway that is incorporated within the National Highway System, a system of routes deemed most important for the country's economy, mobility and defense.[4]

History[edit]

The route connecting Athens and Marietta has been a state highway since the system's creation in Ohio in the 1910s. Prior to 1922, the route was known as SR 157.[5][6] Between 1923 and 1929, the route became the southernmost part of SR 26.[7][8] In 1929, the SR 26 designation was removed and replaced by a part of U.S. Route 50N, a divided route from US 50.[8] This route ran from Athens at US 50 east to Marietta. It then continued west along the Ohio River, concurrent with SR 7 to Newport where it crossed into St. Marys, West Virginia on the Clarksburg-Columbus Short Route Bridge, later renamed the Hi Carpenter Bridge in 1967, an eyebar-chain suspension bridge bridge. In West Virginia, it traveled along WV 16 until it joined US 50S in Ellenboro.[8] By 1935, the mainline of US 50 was signed along US 50S between Athens and Pike, West Virginia and the former US 50N became U.S. Route 50 Alternate (US 50 Alt.). The routing of US 50 Alt. would remain unchanged throughout its history except when the Hi Carpenter Bridge was closed in 1968 due to similarities in design to the Silver Bridge which collapsed in 1967.[9][10] A temporary ferry between Newport and St. Marys was utilized until the new Hi Carpenter Memorial Bridge opened in 1977.[10] Also, when US 50 was moved onto a freeway in West Virginia in 1973, US 50 Alt.'s eastern terminus was moved back to Ellenboro, albeit at an interchange with the US 50 freeway.[11]

The designation of SR 550 took place in 1976.[1][2] Since the route became SR 550, no major changes have taken place to the routing. At least part of the route of 550 is based on the original Marietta-Chillicothe Stagecoach Road.[citation needed]

Major intersections[edit]

County Location Mile[3] km Destinations Notes
Athens Athens Township 0.00–
0.38
0.00–
0.61
US 33 – Columbus, Pomeroy Interchange
0.38 0.61 SR 13 north – Chauncey Southern terminus of SR 13
Ames Township 10.23 16.46 SR 690 south – Canaanville Northern terminus of SR 690
Amesville 10.66 17.16 SR 329 north Western end of SR 329 concurrency
Bern Township 12.13 19.52 SR 329 south – Guysville Eastern end of SR 329 concurrency
14.69 23.64 SR 377 north – Chesterhill, McConnelsville Southern terminus of SR 377
Washington Wesley Township 20.56 33.09 SR 555 – Little Hocking, Chesterhill
Barlow Township 29.25 47.07 SR 339 – Porterfield, Beverly
Warren Township 40.58 65.31 SR 7 – Marietta, New Matamoras, Belpre No access from northbound SR 7 to westbound SR 550
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

Route map: Google / Bing

  1. ^ a b Ohio Department of Transportation (1975) (MrSID). Ohio Transportation Map (Map). Cartography by ODOT. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1975a.sid. Retrieved 2011-01-07.
  2. ^ a b Ohio Department of Transportation (1976) (MrSID). Official Ohio Highway Map (Map). Cartography by ODOT. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1976a.sid. Retrieved 2011-01-07.
  3. ^ a b Ohio Department of Transportation. "Technical Services Straight Line Diagrams". Retrieved 2011-01-06. 
  4. ^ Federal Highway Administration (December 2003) (PDF). National Highway System: Ohio (Map). http://www.fhwa.dot.gov/planning/nhs/maps/oh/oh_Ohio.pdf. Retrieved 2011-01-08.
  5. ^ Ohio State Highway Department (1912) (MrSID). Map of Ohio Showing Inter-County Highways (Map). Cartography by James R. Marker, State Highway Commissioner. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1912a.sid. Retrieved August 18, 2013.
  6. ^ Ohio Department of Highways and Public Works (1922) (MrSID). Map of Ohio State Highways Showing All Improved Roadways (Map). Cartography by E.C. Blosser. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1922a.sid. Retrieved August 18, 2013.
  7. ^ Ohio Division of Highways (1923) (MrSID). Map of Ohio Showing State Routes (Map). Cartography by L.A. Boulay, Director. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1923a.sid. Retrieved August 18, 2013.
  8. ^ a b c Ohio Division of Highways (1929) (MrSID). Map of Ohio Showing State Routes (Map). Cartography by Robert N. Waid, Director. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1929a.sid. Retrieved September 22, 2013.
  9. ^ "Celebrate Newport - St. Marys Bridge". Retrieved January 14, 2014. 
  10. ^ a b Carpenter, Walter. "The Hi Carpenter Memorial Bridge". Pleasants County WVGenWeb. Retrieved January 14, 2014. 
  11. ^ Ohio Department of Transportation (1973) (MrSID). 1973 Ohio Transportation Map (Map). Cartography by J. Phillip Richley, Director. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1973a.sid. Retrieved September 22, 2013.