Texas State Highway Loop 13

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State Highway Loop 13 marker

State Highway Loop 13
Route information
Length: 21.684 mi[1] (34.897 km)
Existed: Before 1939 – present
Major junctions
CCW end: US 90
  I‑35
I‑37 / US 281
US 87
I‑10 / US 90
CW end: I‑410
Highway system
Loop 12 Loop 14

Loop 13 is a 21.684-mile (34.897 km) partial loop route around the city of San Antonio in the U.S. state of Texas. Prior to Interstate 410 (I-410), Loop 13 served as the primary loop for the city. Loop 13 follows Military Drive from U.S. Highway 90 (US 90) through the south side of the city. It then follows W.W. White road after it turns to the north through the east side of San Antonio before ending at I-410. The road is still a major arterial for the city, providing access to Lackland Air Force Base, Kelly USA, and Brooks City-Base.

History[edit]

Loop 13 originally ran from the rail overpass near Kelly Field east through the south side of San Antonio, then turning towards the north to US 81 on the northeast side of the city in 1939. Prior to I-410, Loop 13 served as the primary loop for the city. In 1941, the loop had its western end extended northward to a junction with US 90 on the west side of the city. Another extension on its eastern end 2.7 miles (4.3 km), brought the loop back to the west to Military Road. In 1949, it was extended further from Military Road to US 281. The loop saw its final extension in 1952, an extension that completed the loop around the city. In the 1960s, the loop began to see its demise at the onset of the Interstate Highway System as it began to be replaced by I-410. In 1960, the section from US 90 on the west side of the city north to I-10 was transferred to I-410 and the section from I-10 eastward to US 81 along the city's northside was renumbered as Loop 410 to keep the numbering of I-410 intact despite this section not meeting Interstate standards at the time. In 1966, the section from I-35, formerly US 81, south to Seale Road became I-410, with the section from Seale Road south to US 90 was removed from the state highway system. But in 1978, this segment would later be readded to the highway bringing Loop 13 to its current alignment.[1]

Route description[edit]

Loop 13 begins on the west side of San Antonio at US 90 north of Lackland Air Force Base. The loop heads south along Military Drive, between two sections of Lackland, before turning towards the southeast. It turns towards the east at the intersection with Farm to Market Road 2536 (FM 2536) at Old Pearsall Road, just before a crossing over Leon Creek and a Union Pacific rail yard. An intersection with Loop 353 (New Laredo Highway), which was the routing of US 81 when it still passed through town, provides access to Kelly USA. Loop 13 passes under I-35 as it heads east through the south side of the city. It intersects Spur 536 at Roosevelt Avenue, which provides access to Stinson Airport and Mission San Jose. The loop crosses over the San Antonio River just before a junction with Spur 122 at Presa Street. As it nears I-37, it passes nearby Brooks City-Base. At Spur 117, Loop 13 turns towards the north and begins following W.W. White Road. It intersects US 87 at Rigsby Avenue as it passes through the east side of San Antonio. It intersects FM 1346 at Houston Street and I-10 before ending at I-410 east of Fort Sam Houston.[2]

Junction list[edit]

The entire route is in San Antonio, Bexar County.

Mile km Destinations Notes
US 90
FM 2536 (Old Pearsall Road)
Loop 353 (New Laredo Highway)
I‑35
Spur 536 (Roosevelt Avenue)
Spur 122 (Presa Street)
I‑37 / US 281
Spur 117 (W.W. White Road)
US 87 (Rigsby Avenue)
FM 1346 (Houston Street)
I‑10 / US 90
I‑410
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]