U.S. Route 377

U.S. Route 377 (US 377) is a 478-mile-long (769 km) north–south United States highway. Originally formed as a short spur to connect Denton, Texas with Fort Worth, Texas, it has since been extended to Oklahoma and Mexico.

U.S. Route 377
Route information
Auxiliary route of US 77
Length478 mi (769 km)
Major junctions
South end US 90 / US 277 in Del Rio, TX
North end I-44 / SH-99 at Stroud, OK
StatesTexas, Oklahoma
Highway system

Route description


The southern terminus is in Del Rio, Texas at an intersection with U.S. Route 90. It goes north of town co-signed with U.S. Route 277 for 20 miles (32 km). After splitting off, it enters Edwards County and Carta Valley. It meets SH 55 at the county seat, Rocksprings, before serving as the western terminus of SH 41. It heads northeast into Kimble County, crossing the county line near Telegraph. At Junction, Texas, it meets both Interstate 10 and US 83. It then continues northeast through London, extreme southeastern Menard County, and Mason County. In Mason County, US 377 passes through Streeter before forming a concurrency with SH 29 near Grit. In Mason, SH 29 splits off to its own alignment while US 377 turns north to join U.S. Route 87.

US 87/377 head north together into Brady, where they meet US 190, the southern terminus of US 283, and SH 71. US 377 splits off to the north and heads to Mercury and crosses the Colorado River near Winchell. In Brownwood, US 377 joins with U.S. Route 67, following its routing all the way to Stephenville, where US 377 splits off on its own again. US 377 then enters Hood County, where it passes through the county seat, Granbury. It cuts the corners of both Johnson County and Parker County before entering Tarrant County and the Dallas-Fort Worth Metroplex.

US 377 crosses Interstate 20 at exit 429A in Benbrook. It then enters Fort Worth proper, meeting SH 183 and Spur 580. It runs northeast on Camp Bowie Blvd. to Interstate 30, which it begins a concurrency with. At the Interstate 35W junction, it heads north along that highway before splitting off at Exit 52A (Belknap St.). It heads due north at the Denton Highway and continues to run parallel to I-35W through many D/FW suburbs, including Haltom City, Watauga, Keller, Westlake, Roanoke, and Argyle. In Denton, it crosses Interstate 35E and has a brief concurrency with US 380 through the eastern portion of Denton into Crossroads.

After splitting from US 380, US 377 runs through Crossroads and north into Krugerville. It continues through Aubrey, through Pilot Point, Tioga, and Collinsville, before having an interchange with US 82 at Whitesboro. It the heads north to cross Lake Texoma (the Red River) into Oklahoma.


US 377 is co-signed with State Highway 99 for its entire Oklahoma length. US 377's first junction within Oklahoma is with SH-32 west of Kingston. The first town that US 377/SH-99 pass through is Madill, where the two highways meet US 70 and State Highway 199. The next town after that is Tishomingo, where there is a brief concurrency with SH-22. US 377/SH-99 run north from Tishomingo, having a one-mile (1.6 km) three-route concurrency with SH-7 before meeting State Highway 3 southeast of Ada. US 377/SH-99 run around the east and north sides of town. On the north side of Ada, SH-3E joins the concurrency.

After leaving Ada, US 377/SH-3E/99 pass through Byng. The three highways cross the Canadian River just south of a junction that serves as the eastern terminus of SH-39 and the western terminus of SH-56. North of Bowlegs, SH-59 joins with the other routes briefly. The next major town is Seminole, where the highways meet SH-9, and SH-3E splits off. US 377/SH-99 cross I-40 at Exit 200. The highways have a junction with US 62 in Prague.

As of 2007, the highway's northern terminus is in Stroud, Oklahoma at an indeterminate point somewhere between old Route 66 (now Oklahoma State Highway 66) and modern Interstate 44. SH-99 continues north into Kansas.


U.S. 377 in Texas

When US 377 was commissioned in 1930, US 77 connected Dallas, Texas with the north and south, but nearby Fort Worth lacked a direct northern connection. US 377 connected US 77 in Denton, Texas with US 81 in Fort Worth, forming a parallel route between Denton and Hillsboro, where US 81 met US 77. When the Interstate highway system was built, I-35 paralleled the Dallas–Fort Worth split with routes I-35E through Dallas (along US 77) and I-35W through Fort Worth (along US 377 and US 81). The section of US 377 in Texas north of Denton was signed as SH 99 until 1968.

The "Willis Bridge" crossing the Red River was constructed in 1968. It has guardrail damage causing the remaining bridge to be very narrow and has since been considered structurally deficient. Parts of the bridge have collapsed.[1][2][3] An original ETA of replacement was February 2018, costing $80 million. In November 2018, the Oklahoma Transportation Commission awarded a $43 million contract to replace the bridge with a new two-lane bridge scheduled to start construction in late December 2018 or early January 2019.[4]

U.S. 377 remained a two-lane highway between Denton and Fort Worth. It has since been widened with more construction scheduled. North of Denton, U.S. 377 is currently two lanes.

Oklahoma State Highway 99

Major intersections

TexasVal VerdeDel Rio0.00.0 US 90 east / US 277 south / Spur 239 south (East Gibbs Street) / Spur 297 south (Veteran's Boulevard) Laughlin AFB, Brackettville, Eagle Pass, Ciudad Acuña, Business DistrictSouthern terminus; south end of US 90/US 277 overlap
4.47.1 US 90 west Comstock, Amistad NRA Visitor Information, Big Bend National ParkNorth end of US 90 overlap
5.58.9 Loop 79 to US 90 Eagle Pass, LaredoInterchange
17.628.3 RE 2 west Amistad National Recreation Area, Rough Canyon
26.642.8 US 277 north SonoraNorth end of US 277 concurrency
Edwards40.865.7 FM 2523 south to US 90
72.6116.8 RM 674 south Brackettville, Kickapoo State Park
Rocksprings75.7121.8 SH 55 north SonoraSouth end of SH 55 concurrency
76.2122.6 SH 55 south UvaldeNorth end of SH 55 concurrency
78.1125.7 RM 2630 north
84.2135.5 SH 41 east Mountain Home
Kimble118.6190.9 PR 73 South Llano River State Park, Walter Buck WMA
Junction122.1196.5 FM 2169 east (Flatrock Lane) – Texas Tech University at Junction
122.9197.8 Loop 481 east (Main Street) Kerrville
124.2199.9 RM 1674 west
124.5200.4 I-10 / US 83 south Fort Stockton, Uvalde, San Antonio, SonoraSouth end of US 83 concurrency; I-10 exit 456
125.4201.8 US 83 north MenardNorth end of US 83 concurrency
136.0218.9 FM 3480 east to RM 385
139.5224.5 RM 385 south to US 290
143.9231.6 RM 1221 north Hext
No major junctions
MasonGrit161.7260.2 SH 29 west MenardSouth end of SH 29 overlap
165.9267.0 US 87 south / SH 29 east Llano, MasonNorth end of SH 29 overlap; south end of US 87 overlap
see US 87
McCullochBrady193.2310.9 US 87 north to US 283 San AngeloNorth end of US 87 concurrency
193.3311.1 FM 714 east (East Main Street)
194.1312.4 US 190 east Rochelle, San SabaNorth end of US 190 concurrency
194.7313.3 FM 2996 north
199.3320.7 FM 1121 westSouth end of FM 1121 overlap
200.3322.4 FM 1121 east RochelleNorth end of FM 1121 overlap
207.7334.3 FM 1028 north
215.8347.3 FM 502 east
216.5348.4 FM 765 westSouth end of FM 765 overlap
216.7348.7 FM 765 east to FM 45 Elm GroveNorth end of FM 765 overlap
BrownDulin224.8361.8 FM 586 north Brookesmith, TrickhamSouth end of FM 586 overlap
225.9363.6 FM 586 southNorth end of FM 586 overlap
233.8376.3 FM 1176 north Trickham
235.8379.5 FM 45 south Richland Springs, T.R. Havins Unit, Gordon Wood Stadium
236.8381.1 FM 3064 east (Morris Sheppard Drive) – Gordon Wood Stadium
Brownwood239.2385.0Fisk Street / Carnegie Street / Coleman AvenueInterchange
240.0386.2 FM 2524 (Austin Avenue) – Downtown Historic Area, Howard Payne University
240.8387.5 US 67 south / US 84 west (West Commerce Street) to SH 279 ColemanSouth end of US 67 / US 84 concurrency
see US 67
ErathStephenville301.6485.4 US 67 north Glen RoseNorth end of US 67 concurrency
302.0486.0 US 281 Mineral Wells, Hico, Airport
302.4486.7 FM 205 Cedar Point
Bus. US 377 south Stephenville
314.5506.1 FM 1188 west Morgan Mill
Bluff Dale316.1508.7 FM 2481 south
Hood322.2518.5 FM 2870 south (Rock Church Highway)
Tolar322.9519.7 FM 56 north (Tolar Highway)South end of FM 56 overlap
323.2520.1 FM 56 south Glen RoseNorth end of FM 56 overlap
Granbury329.1529.6 Loop 567 north Weatherford
Bus. US 377 north Granbury, Historical District, Airport
330.9532.5 SH 144 Granbury, Glen RoseInterchange
Bus. US 377 south / FM 4 north Granbury, Historical District
Interchange; south end of FM 4 overlap
335.3539.6 FM 4 south ActonNorth end of FM 4 overlap
336.4541.4 FM 167 northSouth end of FM 167 overlap
337.5543.2 FM 167 south Acton, Camp El TesoroNorth end of FM 167 overlap
Cresson343.9553.5 SH 171 Weatherford, Cleburne
No major junctions
No major junctions
TarrantWheatland352.1566.7 FM 1187 east CrowleySouth end of FM 1187 overlap
352.6567.5 FM 1187 westNorth end of FM 1187 overlap
Benbrook356.2573.2 RM 2871 west
I-20 / I-820 northI-20 exit 429A
Fort Worth360.8–
SH 183 (Alta Mere Drive / Southwest Boulevard) to Spur 580traffic circle
361.7582.1 Spur 580 west (Camp Bowie West Boulevard) to SH 183No left turn northbound
Camp Bowie BoulevardInterchange; northbound exit and southbound entrance
363.9585.6 I-30 west AbileneSouthbound exit and northbound entrance; south end of I-30 overlap; US 377 south follows exit 9B
see I-30
I-30 east / I-35W south / US 287 south / SH 180 east (East Lancaster Street) Dallas, WacoNorth end of I-30 overlap; south end of I-35W / US 287 overlap; US 377 north follows exit 15A; US 377 south follows exit 51
369.2594.2 Spur 280 Downtown Fort WorthI-35W exit 52A, access to Fort Worth Central Station
I-35W north / US 287 north / SH 121 north / Spur 347 west (Belknap Street) Denton, D/FW AirportNorth end of I-35W / US 287 overlap; US 377 north follows exit 52B
Haltom City373.3600.8 SH 183 west (Northeast 28th Street)South end of SH 183 overlap
373.9601.7 SH 183 east (East Belknap Street)North end of SH 183 overlap
I-820 (Northeast Loop 820) / I-820 ExpressI-820 exit 19
Keller383.2616.7 FM 1709 east (Keller Parkway) / Golden Triangle Boulevard Grapevine
SH 170Proposed upgrade to interchange
To Bus. SH 114 / Denton Drive (Loop 118)
SH 114Proposed upgrade to interchange
Flower Mound392.2631.2 FM 1171 Lewisville
Argyle395.5636.5 FM 407 to I-35E Justin
Denton401.6646.3 FM 1830 south (Country Club Road) to FM 407 Bartonville
I-35EI-35E exit 465B
403.9650.0 US 77 south (East Eagle Drive)South end of US 77 concurrency
404.6651.1 FM 426 east (McKinney Street)
405.6652.7 US 77 north (North Locust Street) / US 380 west (West University Drive) to FM 428North end of US 77 concurrency, south end of US 380 concurrency
Loop 288 / US 380 Truck west
Cross Roads412.6664.0 US 380 east McKinneyInterchange; north end of US 380 concurrency
414.7667.4 FM 424 south
Aubrey418.2673.0 FM 428 (Springhill Road) Aubrey, Celina
420.2676.2 FM 3524 south
Pilot Point423.2681.1 FM 455 west Sanger, Ray Roberts Lake and State ParkSouth end of FM 455 overlap
Bus. US 377 north
425.4684.6 FM 455 east / FM 1192 west (East Liberty Street) Pilot Point, CelinaNorth end of FM 455 overlap
Bus. US 377 south (North Washington Street) Pilot Point
Bus. US 377 north (South Donation Street)
430.7693.1 FM 121 east (Sherman Street) Gunter
Bus. US 377 south (North Donation Street)
431.6694.6 FM 922 west Valley View
Bus. US 377 north (South Main Street)
437.0703.3 FM 902 (Locust Street) Lake Kiowa, Ethel
Bus. US 377 south (North Main Street)
Bus. US 377 north Whitesboro
Whitesboro443.5713.7 Spur 129 to SH 56 Whitesboro, Sherman
Bus. US 377 south Whitesboro
US 82 Gainesville, ShermanInterchange; US 82 exit 624
454.5731.4 FM 901 south GordonvilleSouth end of FM 901 overlap
455.2732.6 FM 901 north Sheppard AFB AnnexNorth end of FM 901 overlap
Lake Texoma460.4
Willis Bridge; Texas–Oklahoma line
SH-99 begins
See SH-99
OklahomaLincolnStroud139.9225.1 SH-99 north / I-44 / Turner Turnpike Oklahoma City, TulsaODOT lists this as northern terminus; I-44 exit 179; road continues as SH-99 north
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Texas State Highway Loop 118

Texas State Highway Loop 118 (Loop 118) is a short and unsigned loop highway. The highway connects Highway 377 to Business State Highway 114 (Bus. SH 114) without the need for an intersection between those highways. The loop is just 0.209 miles (0.336 km) long, and is located entirely within the downtown portion of the town of Roanoke, Texas. The highway was first designated on February 4, 1941. The original route traveled from US 377 just south of Roanoke, along Oak Street, past Bus. SH 114 northward to SH 114, with State Highway Spur 118 (Spur 118) going from Loop 118 to US 377 via Denton Drive.[5] On September 26, 1996, the stretch of Oak St. traveling from US 377 to Denton Dr. was given back to the city of Roanoke.

The entire route is in Roanoke, Denton County.

0.0000.000 US 377 (Front Street) Ft. Worth, DentonSouthern terminus; road continues west as Denton Drive
Bus. SH 114 (Byron Nelson Boulevard)
Northern terminus; road continues as Oak Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. "Hole in the Willis Bridge Across Lake Texoma".
  2. Staff, News 12. "ODOT investigating hole on the Willis Bridge".
  3. "Another hole opens up in bridge across Lake Texoma".
  4. Ellis, Randy. "Contract awarded to replace bridge over Lake Texoma". NewsOK.
  5. General Highway Map, Denton County, Texas (Map) (1961 ed.). 1 inch=2 miles. Cartography by Planning Survey Division. Texas State Highway Department. January 1, 1961. Retrieved October 10, 2012.
  6. Statewide Planning Map (Map). Cartography by Transportation Planning and Programming Division. Texas Department of Transportation. 2012. Retrieved October 10, 2012.
Browse numbered routes
SH 361TXUS 380
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