Ohio State Route 99

State Route 99
Route information
Maintained by ODOT
Length22.61 mi (36.39 km)
Existed1923–present
Major junctions
South end US 224 in Willard
Major intersections US 20 / SR 18 in Monroeville
North end SR 4 / CR 42 near Sandusky
Location
CountryUnited States
StateOhio
CountiesHuron, Erie
Highway system
  • Ohio State Highway System
SR 98 SR 100

State Route 99 (SR 99) is a northsouth 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 a roundabout junction with SR 4 about 6 miles (9.7 km) southwest of the city limits of Sandusky.