California State Route 89
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| State Route 89 | |||||||||||||
| Defined by S&HC § 389, maintained by Caltrans | |||||||||||||
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| Length: | 243 mi[1] (391 km) | ||||||||||||
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| South end: |  US 395 near Coleville |
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| Major junctions: |
 US 50 in South Lake Tahoe I-80 in Truckee SR 70 in Blairsden SR 44 in Lassen Park |
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| North end: |  I-5 near Mount Shasta |
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>State Route 89 is a California State Highway that travels in the North-South direction, and is the major thoroughfare for many mountain communities. It starts from U.S. Route 395 near Topaz Lake, winding its way up to the 8,314 ft (2,534 m). (2,534 m) Monitor Pass, down to the Carson River, and up again over the 7,740 ft (2,360 m). (2,359 m) Luther Pass. From that point on, the route generally loses elevation on its way past Lake Tahoe, through Tahoe and Plumas National Forests until Lake Almanor. For roughly nine miles the route is then a part of State Route 36. The route then ascends to the 5,753 ft (1,754 m). (1,753 m) Morgan Summit. After it enters Lassen Volcanic National Park it continues to gain elevation until it reaches its highest point in an unnamed pass in the middle of Lassen Peak and Bumpass Mountain. The road then descends and heads northwest, finally terminating at Interstate 5 at the foot of Mount Shasta at around 3,600 ft (1,100 m). (1,100 m).[2][3]
The portion of SR 89 that runs through Lassen Volcanic National Park is closed in winter due to very heavy snowfall and snowpack. When it is open, a park fee is charged. At the other park entrance in the northwest corner, SR 89 temporarily ends, but one can continue along SR 44 to the northeast. SR 89 resumes northward approximately 13 miles (21 km) later.
From the junction with SR 147, through the park and including the gap on SR 44, to its terminus at I-5, SR 89 is part of the Volcanic Legacy Scenic Byway, a National Scenic Byway.
The section of SR 89 from SR 70 north to Crescent Mills was built over the abandoned railway bed of the Indian Valley Railroad.
The section of SR 89 from SR 88 north to US 50 is co-signed as US 50 Alternate for use as a detour for when US 50 closes.
The southernmost section of State Route 89 over Monitor Pass is also closed in winter due to snow accumulation. [1]
This route is part of the California Freeway and Expressway System[4] and is eligible for the State Scenic Highway System[5].
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[edit] Route description
One point of interest along California State Route 89 includes the Pony Express remount station in Woodfords, (that was in use for only five weeks (California Historical Landmark #805), the Lake Tahoe Outlet Gates (CHL #797) in Tahoe City (Control of these gates was the source of the two-decade "Tahoe Water War" between lakeshore owners and downstream Truckee River water users), Plumas-Eureka State Park (containing a well-preserved Johnsville, a well-preserved '49er town, and Pioneer Ski Area, the first sport skiing area in the Western hemisphere), Lake Almanor and Lassen Volanic National Park.
Many other points of interest, including Brokeoff Mountain, Sulphur Works, Emerald Lake, Lake Helen, Bumpass Hell, Lassen Peak and Summit Lake are also located on this highway.
[edit] Major intersections
- Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.
| County | Location | Postmile [6][7][8] |
#[9] | Destinations | Notes |
|---|---|---|---|---|---|
| Mono MNO 0.00-7.60 |
0.00 | US 395 – Carson City, Coleville |
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| Alpine ALP 0.00-23.97 |
Bullion | 9.96 |  SR 4 west – Angels Camp, Stockton |
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| Markleeville |  CR E1 (Montgomery Street) |
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| Woodfords | 21.37 88 19.22 |
 SR 88 east – Minden |
South end of SR 88 overlap | ||
| 88 13.40 21.38 |
SR 88 west (US 50 Alt. west) – Jackson |
North end of SR 88 overlap; south end of US 50 Alt. overlap | |||
| El Dorado ED 0.00-27.41 |
Meyers | 8.55 50 70.62 |
US 50 west – Placerville, Sacramento |
South end of US 50 overlap; north end of US 50 Alt. overlap | |
| 50 71.48 | Pioneer Trail | ||||
| South Lake Tahoe | 50 75.45 8.56 |
US 50 east (Lake Tahoe Boulevard) – Lake Tahoe, Nevada |
North end of US 50 overlap | ||
| Placer PLA 0.00-21.68 |
Tahoe City | T8.57 |  SR 28 east (Lake Boulevard) – Kings Beach |
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| 13.72 | Squaw Valley Road | ||||
| Nevada NEV 0.00-8.70 |
Truckee | 0.49 80 14.16 |
I-80 west / Donner Pass Road – Sacramento |
Interchange; south end of I-80 overlap | |
| South end of freeway on I-80 | |||||
| 80 14.97 | 186 | Central Truckee | No northbound entrance | ||
| 80 16.29 | 188A | Truckee | Northbound exit and southbound entrance | ||
| North end of freeway on I-80 | |||||
| 80 16.60 R0.62 |
 I-80 east / SR 267 south – Reno, Lake Tahoe |
Interchange; north end of I-80 overlap | |||
| Sierra SIE 0.00-29.58 |
Sierraville | 15.06 |  SR 49 north – Loyalton |
South end of SR 49 overlap | |
| Sattley |  CR A23 (Westside Road) |
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| 19.96 | SR 49 south – Bassetts, Sierra City, Downieville |
North end of SR 49 overlap | |||
| 23.08 |  Calpine Road to CR A23 – Beckwourth |
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| Plumas PLU 0.00-R42.19 |
Valley Ranch |  CR A15 (Portola-McLears Road) – Portola |
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| 7.08 | Gold Lake Highway – Gold Lake, Downieville | ||||
| Graeagle |  CR A14 (Graeagle-Johnsville Road) |
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| Blairsden | 8.71 70 R66.63 |
SR 70 east – Portola |
South end of SR 70 overlap | ||
| 70 33.03 8.72 |
SR 70 west – Oroville, Marysville |
North end of SR 70 overlap | |||
| 14.84 |  CR A22 (Arlington Road) – Taylorsville, Antelope Lake |
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| Canyondam | 29.59 |  SR 147 north – Westwood, Susanville, Lake Almanor East Shore Peninsula |
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| R42.19 36 6.29 |
 SR 36 east – Chester |
South end of SR 36 overlap | |||
| Tehama TEH R0.10-4.40 |
36 99.94 |  SR 32 west – Chico |
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| Morgan Springs | 36 91.25 |  SR 172 west – Mill Creek |
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| 36 87.68 R0.10 |
SR 36 west – Red Bluff |
North end of SR 36 overlap | |||
| 4.40 | Lassen Volcanic National Park south boundary | ||||
| Gap in SR 89 | |||||
| Shasta SHA 44 R49.35-43.35 |
44 R49.35 | Lassen Volcanic National Park north boundary | |||
| 44 R49.35 | SR 44 west – Redding |
South end of SR 44 overlap | |||
| 44 62.69 0.00 |
SR 44 east (Feather Lake Highway) – Susanville, Reno |
North end of SR 44 overlap | |||
| 21.72 |  SR 299 – Fall River Mills, Alturas, Burney, Redding |
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| 38.78 |  CR A19 (McArthur Road) |
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| Siskiyou SIS 0.00-R34.62 |
R34.62 | I-5 – Portland, Redding |
Interchange | ||
[edit] External links
[edit] References
- ^ January 1, 2006 California Log of Bridges on State Highways
- ^ Google Earth elevation for GNIS coordinates.
- ^ California State Map, 2007.
- ^ California Codes (shc:250-257)
- ^ California Codes (shc:260-284)
- ^ California Department of Transportation, State Truck Route List (XLS file), accessed February 2008
- ^ California Department of Transportation, Log of Bridges on State Highways, July 2007
- ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
- ^ California Department of Transportation, California Numbered Exit Uniform System, Interstate 80 Freeway Interchanges, Retrieved on 2009-02-14.
