Ohio State Route 100

{{Infobox road

|state=OH

|type=SR

|route=100

|length_mi=39.02

|length_round=2

|length_ref={{cite web |url=http://www.dot.state.oh.us/Divisions/Planning/TechServ/TIM/Pages/Straight-Line-Diagrams.aspx |title=Technical Services Straight Line Diagrams |author=Ohio Department of Transportation |author-link=Ohio Department of Transportation |access-date=April 30, 2010}}

|established=1924

|direction_a=South

|terminus_a={{jct|state=OH|SR|309}} near Iberia

|junction=

{{jct|state=OH|US|30}} in Bucyrus
{{jct|state=OH|US|224}} in Tiffin

|direction_b=North

|terminus_b={{jct|state=OH|SR|53}} in Tiffin

|counties=Marion, Crawford, Seneca

|previous_type=SR

|previous_route=99

|next_type=SR

|next_route=101

}}

Image:OH State Routes 4 19 100 south at US 30.jpg and 19 near Bucyrus]]

State Route 100 (SR 100) is a north–south highway in northwestern Ohio. Its southern terminus is at State Route 309 near Iberia, and its northern terminus is at State Route 53 in Tiffin.

History

1924 – Original route established. Originally routed from {{convert|1|mi|km|adj=on}} north of Brokensword to Tiffin.[http://pages.prodigy.net/john.simpson/highways/100.html Route 100] (The Unofficial Ohio State Highways Web Site) by John Simpson{{unreliable source?|failed=y|date=August 2014}} {{webarchive |url=https://web.archive.org/web/20041226033543/http://pages.prodigy.net/john.simpson/highways/100.html |date=December 26, 2004 }}
1939 - Extended to {{convert|12|mi|km}} south of Bucyrus along route 19 from {{convert|1|mi|km|adj=on}} north of Brokensword to {{convert|3|mi|km}} south of Bucyrus and an unnumbered road from {{convert|3|mi|km}} south of Bucyrus to {{convert|12|mi|km}} south of Bucyrus.