Ohio State Route 99

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State Route 99 marker

State Route 99
Route information
Maintained by ODOT
Length: 22.61 mi[3] (36.39 km)
Existed: 1923[1][2] – present
Major junctions
South end: US 224 in Willard
  US 20 in Monroeville
North end: SR 4 near Sandusky
Counties: Huron, Erie
Highway system
SR 98 SR 100

State Route 99 (SR 99) is a north–south state highway in the north-central portion of the U.S. state of Ohio. The highway's southern terminus is in the southern end of Willard at a T-intersection with U.S. Route 224 (US 224). Its northern terminus is at its junction with SR 4 about 6 miles (9.7 km) southwest of the city limits of Sandusky.

Route description[edit]

Along its way, SR 99 runs through the western half of Huron County and the southwestern portion of Erie County. No segment of SR 99 is included within the National Highway System, a network of highways identified as being most important for the nation's economy, mobility and defense.[4]


SR 99 was designated in 1923. It was originally routed along its current alignment from its present southern terminus at US 224, at the time known as SR 17, to its junction with what is today the concurrency of US 20 and SR 18 in Monroeville, but in 1923 was a part of SR 2.[1][2]

In 1937, the highway was extended north from Monroeville through its present northern terminus at SR 4, and then continuing northwest from there along Skadden Road, and north along Bardshar Road before coming to an end at its intersection with US 6 in the western end of Sandusky.[5][6] By 1966, SR 99 was shortened to its present routing when the portions of the highway along Skadden Road and Bardshar Road north of SR 4 were removed from the state highway system, and jurisdiction of these roadways was turned over to Erie County.[7][8]

Major intersections[edit]

County Location Mile[3] km Destinations Notes
Huron Willard 0.00 0.00 US 224 (Walton Street) – Tiffin
0.87 1.40 SR 103 (East Tiffin Street)
Greenfield Township 4.49 7.23 SR 162 – Republic, North Fairfield
Monroeville 14.43 23.22 SR 547 (Monroe Street)
14.90 23.98 US 20 / SR 18 (Sandusky Street) – Norwalk, Bellevue
county line
township line
17.88 28.78 SR 113 – Milan, Bellevue
Erie Groton Township 22.61 36.39 SR 4 / CR 42 (Skadden Road) – Sandusky, Bucyrus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map: Google / Bing

  1. ^ a b Ohio Department of Highways and Public Works (April 1922) (MrSID). Map of Ohio State Highways (Map). Cartography by ODHPW. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1922a.sid. Retrieved 2011-03-02.
  2. ^ a b Ohio Department of Highways and Public Works (July 1923) (MrSID). Map of Ohio Showing State Routes (Map). Cartography by ODHPW. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1923a.sid. Retrieved 2011-03-02.
  3. ^ a b Ohio Department of Transportation. "Technical Services Straight Line Diagrams". Retrieved 2010-10-02. 
  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 2011-03-02.
  5. ^ Ohio Department of Highways (1936) (MrSID). Official Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1936a.sid. Retrieved 2011-03-02.
  6. ^ Ohio Department of Highways (1937) (MrSID). Official Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1937a.sid. Retrieved 2011-03-02.
  7. ^ Ohio Department of Highways (1965) (MrSID). Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1965a.sid. Retrieved 2011-03-02.
  8. ^ Ohio Department of Highways (1966) (MrSID). Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1966a.sid. Retrieved 2011-03-02.