Interstate 410

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Interstate 410 marker

Interstate 410

Connally Loop
Map
I-410 highlighted in red
Route information
Auxiliary route of I-10
Maintained by TxDOT
Length49.488 mi[1][2] (79.643 km)
Existed1959[1]–present
NHSEntire route
Major junctions
Beltway around San Antonio
Major intersections
Location
CountryUnited States
StateTexas
CountiesBexar
Highway system
I-345 I-610

Interstate 410 (I-410[a]), colloquially Loop 410, is an auxiliary route of I-10 around San Antonio, Texas. It is identified as the Connally Loop in honor of former Texas Governor John Connally.

Route description[edit]

I-410 near the I-410/US 281 interchange in uptown San Antonio
I-410's interchange with I-37 on the southeast side of San Antonio

I-410 circumnavigates the city of San Antonio, officially beginning and ending at the junction with I-35 on the southwest side of the loop. There are vast differences between the northern arc and southern arc of the loop. The northern arc serves the heavily urbanized portions of San Antonio and is currently being widened to as many as five lanes in each direction.[citation needed] The southern arc resembles more of a rural Interstate as it transverses, for the most part, undeveloped portions of San Antonio as a four-lane Interstate. I-410 intersects I-10 twice, I-35 twice, I-37 once, as well as U.S. Highway 90 (US 90), US 281, and State Highway 151 (SH 151), all freeways in Greater San Antonio with the exception of Loop 1604, which forms a secondary loop around the city, and Wurzbach Parkway, which is located about two miles (3.2 km) outside the loop on the north side. I-410 serves San Antonio International Airport, Lackland Air Force Base, Fort Sam Houston, the South Texas Medical Center, Southwest Research Institute, and Toyota Motor Manufacturing Texas.[4]

History[edit]

Like most cities in Texas, San Antonio was served by a loop around the city long before the arrival of the Interstate Highway System. Loop 13, although not a freeway, served in this role up until the 1950s, when many of San Antonio's freeways were constructed. The northern half of Loop 13 followed the current path of I-410 while the southern half still exists on the south side of San Antonio. Much of the freeway was proposed during the mid-1950s with construction beginning on the northwest portion of the loop near I-10. On October 15, 1960, Loop 13 from I-10 to I-35 was redesignated as Loop 410 for continuity purposes. By 1961, the freeway had been completed from I-35 on the southwest side to just east of US 281 near the airport, where it continued once to the east as a four-lane highway to I-35. By 1964, the southern arc had been extended eastward from I-35 to Roosevelt Avenue and was under construction from Roosevelt Avenue to I-35 on the east side of the city. By 1967, the eastern arc had been completed to Interstate Highway standards, and the remaining portion from US 281 to I-35 on the city's north side had been completely built to Interstate Highway standards but still carried the Loop 410 designation until July 31, 1969, when it officially became I-410.[1]

Due to the city growing primarily to the north, I-410 required widening along this stretch.[dubious ] It was expanded to six lanes in the late 1970s and early 1980s from Ingram Road to I-35 north. It was further expanded to six lanes from Ingram Road to Valley Hi Road in 1987. An additional westbound lane was added from I-10 west to Babcock Road in 1996.

I-410 was widened from the late 1990s through early 2010s along its entire northern arc from Culebra Road to Austin Highway, with five lanes each way and interchange reconstructions at I-10 and San Pedro Avenue, and an entire new interchange at US 281,[5][6] officially called the "San Antonio Web".[7]

Exit list[edit]

Exit numbers correspond to mileage from the south junction with I-35.[4] The entire highway is in Bexar County.

LocationmikmExitDestinationsNotes
San Antonio0.751.211Frontage Road
1.883.032 FM 2536 (Old Pearsall Road)
3.475.583ARay Ellison BoulevardSigned as exit 3 northbound
4.236.813BMedina Base RoadNorthbound exit is via exit 3
4.937.934Valley Hi Drive – Lackland AFB
6.189.956 US 90 (Cleto Rodriguez Freeway) – San Antonio, Del Rio
7.6112.257Marbach RoadSigned as exit 8 southbound
8.8014.169A SH 151 (Stotzer Freeway) – SeaWorldSigned as exit 9 northbound
9.5115.309BWest Military DriveSouthbound exit and northbound entrance
10.4116.7510Culebra RoadFormer FM 3487
11.5318.5611Ingram Road
12.8420.6612Exchange ParkwaySouthbound exit and entrance
13.1621.1813A
SH 16 north / Spur 421 (Bandera Road) – Leon Valley, San Antonio
North end of SH 16 concurrency; signed as exits 13A and 13B (north) westbound; signed as exit 13 eastbound
13.6221.9213BEvers RoadEastbound exit is via exit 13; westbound exit and eastbound entrance; westbound is via exit 14A
14.3023.0114ASummit ParkwayWestbound exit and entrance
14.8023.8214BCallaghan RoadSigned as exit 14 eastbound
15.2124.4814C Babcock RoadEastbound exit is via exit 14, access to South Texas Medical Center
16.0825.8815 Loop 345 (Fredericksburg Road) – Balcones HeightsAccess to South Texas Medical Center and Methodist Texan Hospital
16.6926.8616 I-10 / US 87 (McDermott Freeway) – San Antonio, El PasoI-10 exit 564; 5-level stack interchange
17.1927.6617ACherry Ridge DriveEastbound exit and westbound entrance, westbound exit is via exit 17
17.8228.6817BVance Jackson RoadSigned as exit 17 westbound
Castle Hills18.37–
18.50
29.56–
29.77
18Jackson-Keller Road, West Avenue
18.9230.4519AHoneysuckle LaneEastbound exit is via exit 18
19.3431.1219B FM 1535 (Military Highway) – Castle HillsSigned as exit 19 eastbound
19.7031.7019 FM 2696 (Blanco Road)Westbound exit is via exit 20A
San Antonio20.1532.4320A
Spur 537 north (San Pedro Avenue)
Signed as exit 20 eastbound
20.6033.1520BMcCullough AvenueEastbound exit is via exit 20
21.3134.3021A US 281 (McAlister Freeway) – Johnson City, Downtown"San Antonio Web", fully opened June 9, 2008[6]
21.49–
21.96
34.58–
35.34
21 Airport Boulevard, Wetmore Road – Int'l AirportSigned as exit 21B eastbound
22.2735.8422Broadway StreetNo eastbound entrance
23.0237.0523Nacogdoches RoadNo westbound entrance, westbound exit is via exit 24
23.8338.3524Harry Wurzbach Road – Fort Sam Houston
24.7839.8825A Starcrest DriveSigned as exit 25 eastbound, access to Northeast Baptist Hospital
25.4941.0225B FM 2252 (Perrin-Beitel Road)Eastbound exit is via exit 25
25.9841.8126A
Loop 368 south – Alamo Heights
Signed as exit 26 westbound
26.5042.6526BInterchange Parkway, Perrin Creek DriveEastbound exit and westbound entrance
26.6042.8127
I-35 north (Pan Am Expressway) – Austin
North end of I-35 concurrency; signed as exit 166 northbound; freeway assumes I-35's exit numbers
26.7042.97166ARandolph Boulevard – WindcrestNorthbound exit and westbound entrance
27.2243.81165 FM 1976 (Walzem Road)
28.1945.37164BEisenhauer Road
29.8247.99163
I-35 south (Pan Am Expressway) – Downtown
South end of I-35 concurrency; southbound exit and northbound entrance
29.0746.7830Rittiman Road, Space Center DriveNorthbound exit and entrance
30.7149.4230Binz-Engleman RoadSouthbound exit and northbound entrance
30.7749.5231A FM 78 – KirbySigned as exit 32 northbound
31.3550.4531
I-35 south (Pan Am Expressway) / Binz-Engleman Road – San Antonio
Northbound left exit and southbound entrance
31.5850.8231B Loop 13 (W.W. White Road)No northbound exit
32.3552.0632Dietrich RoadSouthbound exit only
32.7952.7733
I-10 (Lopez Freeway) / US 90 / SH 130 north – Downtown San Antonio, Seguin, Texas Houston
North end of SH 130 concurrency; I-10 exit 581; cloverleaf, to be replaced by 5-level stack interchange
33.6654.1734 FM 1346 (East Houston Street)
35.3956.9535 US 87 (Rigsby Avenue) – Victoria, La Vernia
37.2259.9037Southcross Boulevard/New Sulphur Springs Road, Sinclair Road
38.5462.0239 Spur 117 (W.W. White Road)
40.5465.2441
I-37 / US 281 north (Adams Freeway) – San Antonio, Corpus Christi
East end of US 281 concurrency; I-37 exit 133, access to Mission Trail Baptist Hospital
41.2966.4542 Spur 122 (South Presa Street) / Southton Road
43.2169.5443Espada Road – San Antonio Missions National Historical ParkWestbound exit is via exit 44
44.3771.4144
US 281 south / Spur 536 (Roosevelt Avenue) – Pleasanton
West end of US 281 concurrency
45.9473.9346Moursund Boulevard
47.2275.9947University Way – Texas A&M University–San AntonioEast exit and east entrance
47.6976.7548Zarzamora Street
48.9278.7349
SH 16 south (Palo Alto Road) / Spur 422 (Poteet-Jourdanton Freeway) – Poteet
East end of SH 16 concurrency
51.3282.5951 FM 2790 (Somerset Road)
52.30
0.00
84.17
0.00
53 I-35 (Pan Am Expressway) – San Antonio, LaredoSouth end of SH 130 concurrency; I-35 exit 145A
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Notes[edit]

  1. ^ Some sources use "IH-410", as "IH" is an abbreviation used by the Texas Department of Transportation (TxDOT) for Interstate Highways.[3]

References[edit]

  1. ^ a b c Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 410". Highway Designation Files. Texas Department of Transportation. Retrieved January 6, 2024.
  2. ^ Starks, Edward (January 27, 2022). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Archived from the original on February 13, 2023. Retrieved January 5, 2024.
  3. ^ Transportation Planning and Programming Division (n.d.). "Highway Designations Glossary". Texas Department of Transportation. Archived from the original on July 10, 2022. Retrieved May 20, 2020.
  4. ^ a b Google (February 24, 2008). "overview map of I-410" (Map). Google Maps. Google. Retrieved February 24, 2008.
  5. ^ Driscoll, Patrick (June 19, 2007). "Decades in waiting, ramp open". San Antonio Express-News. Archived from the original on September 29, 2007. Retrieved February 26, 2008.
  6. ^ a b Driscoll, Patrick (June 10, 2008). "U.S. 281/Loop 410 interchange ramps are complete". San Antonio Express-News. Archived from the original on June 11, 2008. Retrieved June 20, 2008.
  7. ^ Driscoll, Patrick (January 16, 2006). "Now there's a name for it". San Antonio Express-News. Archived from the original on February 23, 2008. Retrieved June 20, 2008.

External links[edit]

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