Ohio State Route 821
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| Route information | ||||
| Maintained by ODOT | ||||
| Length: | 48.85 mi[3][4][5] (78.62 km) | |||
| Existed: | 1971[1][2] – present | |||
| Major junctions | ||||
| South end: |  SR 60 near Marietta |
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 I-77 near Marietta I-77 in Belle Valley |
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| North end: |  I-77 / SR 209 in Byesville |
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| Location | ||||
| Counties: | Washington, Noble, Guernsey | |||
| Highway system | ||||
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Ohio highways
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→State Route 821 (SR 821, OH 821) is a north–south state highway in the southeastern portion of the U.S. state of Ohio. A relic of the old U.S. Route 21, its southern terminus is at State Route 60 approximately 2 miles (3.2 km) north of Marietta, and its northern terminus is at Interstate 77 in Byesville, along with the eastern terminus of SR 209. The route is entirely undivided surface road, and is much less direct than the newer Interstate 77 which supplanted it as a through route. As the interstate was being built, the designation of U.S. Route 21 was moved to the freeway before Ohio wholly decommissioned the now-superfluous U.S. route. SR 821 was designated about two years after US 21 was moved onto I-77 in southeastern Ohio.
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[edit] Route description
Along its path, SR 821 passes through central portions of Washington County and Noble County, and into the southern part of Guernsey County. No segment of the route is included as a part of the National Highway System (NHS). The NHS is a network of highways identified as being most important for the economy, mobility and defense of the nation.[6]
![[icon]](/wiki/File:Wiki_letter_w_cropped.svg){kind=small} |
This section requires expansion. |
[edit] History
SR 821 was created in 1971. The designation was applied to what was the former routing of US 21 between Marietta and Byesville, prior to the completion of I-71 through the area by 1969. At the time, when the US 21 designation was removed from Ohio in favor of I-77, this stretch of roadway was removed from the state highway system. However, by 1971, it was introduced back into the system, and was given the designation of SR 821, based on its routing along the old path of US 21. The only portion of SR 821 that was not routed along US 21 was the northernmost segment in Byesville, where it was routed east along SR 209 to a common terminus at Exit 41 off of I-77.[7][1][2]
[edit] Major intersections
| County | Location | Mile[3][4][5] | Destinations | Notes |
|---|---|---|---|---|
| Washington |
Muskingum Township | 0.00 | SR 60 |
Southern terminus at signalized T-intersection |
| 3.12 | I-77 |
Exit 6 off of I-77, a diamond interchange | ||
| Salem Township | 10.36 |  SR 145 east |
Y-intersection marking southern terminus of SR 145 | |
| 11.57 |  SR 530 west |
T-intersection serving as eastern terminus of SR 530 | ||
| Noble |
Jefferson Township | 20.96 |  SR 339 south |
T-intersection marking northern terminus of SR 339 |
| Olive Township | 28.33 |  SR 78 |
Signalized intersection | |
| Caldwell | 29.66 |  SR 285 north |
T-intersection marking southern terminus of SR 285 | |
| Noble Township | 32.38 |  SR 215 east |
T-intersection serving as western terminus of SR 215 | |
| Belle Valley | 32.84 | I-77 |
Exit 28 off of I-77, a four-ramp interchange featuring diamond ramps on the west side, and parclo-B ramps on the east side | |
| Noble Township | 33.52 |  SR 340 west |
T-intersection marking eastern terminus of SR 340 | |
| Buffalo Township | 39.81 |  SR 672 west |
T-intersection serving as eastern terminus of SR 672 | |
| Guernsey |
Valley Township | 42.60 |  SR 146 east |
Southern split of SR 146/SR 821 duplex; SR 146 joins from the east |
| 42.73 | SR 146 west |
T-intersection marking northern split of SR 146/SR 821 duplex; SR 146 departs to the west |
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| 44.07 |  SR 313 |
Four-way stop intersection | ||
| Byesville | 48.13 | SR 209 west |
Signalized intersection marking western split of SR 209/SR 821 duplex; SR 209 joins from the west |
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| 48.85 | I-77 |
Eastern terminus. common with eastern terminus of SR 209, at Exit 41 off of I-77, a four-ramp interchange with diamond ramps on the west side, and parclo-A ramps on the east side | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus • Closed/former • Incomplete access • Unopened |
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[edit] References
- ^ a b Ohio Department of Highways (1969) (MrSID). Official Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1969a.sid. Retrieved 2011-09-22.
- ^ a b Ohio Department of Highways (1971) (MrSID). Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1971a.sid. Retrieved 2011-09-22.
- ^ a b Ohio Department of Transportation. "Technical Services Straight Line Diagrams: SR 821, Washington County". http://www.odotonline.org/techservapps/SLD/pdf_files/wassr0821r.pdf. Retrieved 2011-09-22.
- ^ a b Ohio Department of Transportation. "Technical Services Straight Line Diagrams: SR 821, Noble County". http://www.odotonline.org/techservapps/SLD/pdf_files/nobsr0821r.pdf. Retrieved 2011-09-22.
- ^ a b Ohio Department of Transportation. "Technical Services Straight Line Diagrams: SR 821, Guernsey County". http://www.odotonline.org/techservapps/SLD/pdf_files/guesr0821r.pdf. Retrieved 2011-09-22.
- ^ Federal Highway Administration (December 2003) (PDF). National Highway System: Ohio (Map). http://www.fhwa.dot.gov/planning/nhs/maps/oh/oh_Ohio.pdf. Retrieved 2011-09-22.
- ^ Ohio Department of Highways (1967) (MrSID). Official Ohio Highway Map (Map). Cartography by ODOH. http://www.dot.state.oh.us/Divisions/TransSysDev/Innovation/prod_services/Documents/StateMaps/otm1967a.sid. Retrieved 2011-09-22.
