Ohio State Route 850
State highway in Gallia County, Ohio, US

State Route 850 (SR 850) is a north–south state highway in Gallia County, Ohio, United States. Its southern terminus is at SR 588 in the hamlet of Rodney, which is west of Gallipolis. SR 850's northern terminus is at SR 554 in Bidwell. The route has an interchange with U.S. Route 35 (US 35), but otherwise intersects with no other numbered routes.
Route description
All of SR 850 runs within Gallia County. The route is not inclusive within the National Highway System.
History
SR 850 was created in 1995 along its current routing between SR 588 and SR 554, designated in approximately the same timeframe that the US 35 freeway was completed east of Rio Grande. No significant changes have taken place to the highway's routing since its designation.
Recent Developments
The Ohio Department of Transportation (ODOT) has proposed improvements to two sections of SR 850 in Springfield Township, Gallia County. These enhancements aim to widen the roadway and add rumble strips to improve safety.
The public source identifies “Ohio State Route 850” as state highway in Gallia County, Ohio, US. This brief keeps that definition visible, then builds a research path around Ohio, State and Route.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Ohio State Route 850”, the useful work is to connect “state highway in Gallia County, Ohio, US” to the records capable of establishing context and consequence.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Apr 16, 2026. The linked authority identifier is Q2493006. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1995.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Ohio State Route 850”, its source revision and the description used here.
- Expand the search: follow Ohio State Route 850 primary sources, Ohio State Route 850 archive and Ohio research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Ohio State Route 850”?
- Which earlier names or jurisdictions may reveal additional records?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Ohio State Route 850” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.