Texas State Highway OSR

State Highway OSR (SH OSR) is a state highway in the U.S. state of Texas.

State Highway OSR
Old San Antonio Road
Route information
Maintained by TxDOT
Length61.918 mi[1] (99.647 km)
Existed1942[1]–present
Major junctions
West end SH 21 near Bryan
  US 190 / SH 6 in Benchley I-45 near Cross Roads
East end SH 21 at Midway
Location
CountiesBrazos, Robertson, Leon, Madison
Highway system
SH NASA Road 1SH 1

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 State Highway 21, State Highway OSR provides a routing close to the original alignment of the road near and around the Bryan-College Station metropolitan area.[1] It was originally designated on December 17, 1929 as Texas State Highway 938, with the SH OSR designation first being used in 1942.[2][3][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

OSR begins at an intersection of State Highway 21 just east of the Brazos River in Brazos County.

OSR crosses U.S. Highway 190 and State Highway 6 north of Bryan; at a point just west of this intersection OSR becomes the county line between Brazos County and Robertson County.

Upon crossing the Navasota River, OSR continues as the county line, this time for Leon County and Madison County.

OSR passes through Normangee and crosses Interstate 45. East of Interstate 45 OSR crosses solely into Madison County and ends at Midway at another junction with SH 21.

Major intersections

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, HoustonInterchange; 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 3 west 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

References

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