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Texas State Highway OSR

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State Highway OSR marker
State Highway OSR
Old San Antonio Road
Map
SH OSR; highlighted in red
Route information
Maintained by TxDOT
Length61.918 mi[1] (99.647 km)
Existed1942[1]–present
Major junctions
West end SH 21 west of Bryan
Major intersections
East end SH 21 at Midway
Location
CountryUnited States
StateTexas
CountiesBrazos, Robertson, Leon, Madison
Highway system
SH NASA Road 1 SH 1

State Highway OSR (SH OSR) is a 61.918-mile (99.647 km) non-numbered state highway in southeastern Texas, United States, that forms a northern loop off of Texas State Highway 21 (SH 21).

The route is the section of the Old San Antonio Road in east-central Texas that is maintained by the Texas Department of Transportation. While most of the original Old San Antonio Road (that is, the section of the road that is not private property) follows SH 21, SH OSR provides a routing close to the original alignment of the road near and around the Bryan-College Station metropolitan area.[1]

"OSR" is the only state highway in Texas with a completely alphabetical designation and one of only two where the designation begins with a letter (Texas State Highway NASA Road 1 being the other with a beginning letter).

Route description

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Along SH OSR west of Normangee, near Interstate 45, May 2014

OSR begins at an intersection of SH 21 just east of the Brazos River in Brazos County. It crosses U.S. Route 190 (US 190) / Texas State Highway 6 north of Bryan. Just west of this intersection, it begins to run along the county line between Brazos County and Robertson County. Upon crossing the Navasota River, SH OSR continues as the county line, this time between Leon County and Madison County. It passes through Normangee and crosses Interstate 45 (I-45). East of I-45, SH OSR crosses solely into Madison County and ends at Midway at another junction with SH 21.

History

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SH OSR was originally designated on September 17, 1929, as Texas State Highway 938,[2][3] to run from Midway to SH 6 (now also US 190) in Benchley, and a second section was designated from SH 21 northeast of Giddings to SH 29 (now US 183) north of Lockhart. On July 15, 1935, the section from SH 44 (now US 77) in Lincoln to SH 21 became part of SH 21. On April 19, 1938, the section from Lincoln to Bastrop also became part of SH 21. On March 26, 1942, a section from US 81 (now I-35) in San Marcos east 4.4 miles (7.1 km) was added (creating a gap), and the designation was changed to SH OSR. On April 28, 1942, the road was extended from Benchley to SH 21 near the Brazos River. On August 2, 1943, the section from SH 29 to 4.4 miles (7.1 km) east of San Marcos was added, closing the gap. Later that day, the section from Bastrop to San Marcos became part of SH 21.[1]

Major intersections

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CountyLocationmi[4]kmDestinationsNotes
Brazos0.000.00 SH 21 – Caldwell, BryanWestern terminus
4.26.8 FM 1687 (Sandy Point Road) – Bryan
BrazosRobertson
county line
Benchley8.012.9
US 190 / SH 6 to Spur 231 – Waco, Houston
Interchange; future I-14; access to Spur 231 via southern frontage road
12.119.5
FM 2223 south – Bryan
18.830.3
FM 46 north – Wheelock
27.343.9
FM 1940 north – Franklin, New Baden
Navasota River29.046.7Bridge
MadisonLeon
county line
31.150.1
FM 1452 east
Normangee37.259.9
FM Spur 3 to FM 3 – Hilltop Lakes
37.560.4 FM 39 – Jewett, North Zulch
39.463.4
FM 2289 east
46.374.5
FM 2485 north
48.077.2 I-45 – Centerville, MadisonvilleInterchange; I-45 exit 152
Madison50.381.0 SH 75 – Madisonville, Leona
54.888.2
FM 579 north
57.292.1
FM 2346 south
58.193.5
FM 1119 north – Centerville
Midway62.099.8 SH 21 – Madisonville, CrockettEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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References

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  1. ^ a b c d Transportation Planning and Programming Division (n.d.). "State Highway OSR". Highway Designation Files. Texas Department of Transportation. Retrieved October 25, 2010.
  2. ^ "Minutes" (PDF). publicdocs.txdot.gov. Texas Department of Transportation. September 17, 1929. Archived (PDF) from the original on November 7, 2017. Retrieved April 28, 2023.
  3. ^ "Minutes" (PDF). publicdocs.txdot.gov. Texas Department of Transportation. November 18, 1938. Archived (PDF) from the original on February 23, 2018. Retrieved April 28, 2023.
  4. ^ "Overview map of Texas State Highway OSR Distances Between Interchanges" (Map). Google Maps. Retrieved January 5, 2011.
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Media related to Texas State Highway OSR at Wikimedia Commons