Mountain Quarries Railroad Bridge

Mountain Quarries Railroad Bridge (HM1A2Z)

Location: Auburn, CA 95603 Placer County
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Country: United States of America
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N 38° 54.964', W 121° 2.423'

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Inscription
In 1910, the Mountain Quarries Company contracted for the construction of a railroad bridge over the North Fork of the American River to haul limestone from their upstream quarry. The bridge and 17 wooden trestles were part of Mountain Quarries Railroad (MQRR) which went seven miles up to Auburn.

The MQRR Bridge, designed by John B. Leonard, was completed and placed in service on March 23, 1912 at a cost of $300,000. The bridge was reported to be the "longest span concrete arched bridge for railroad traffic owned by 'private capital' in the world" at the time of its completion. The bridge is 15 feet wide at the top, 482 feet long and 75 feet high. Each of the three arches has a span of 140 feet.
Details
HM NumberHM1A2Z
Series This marker is part of the Native Sons/Daughters of the Golden West series
Tags
,
Marker NumberGPY 135-10
Year Placed2012
Placed ByNative Sons of the Golden West & California State Parks
Marker ConditionNo reports yet
Date Added Friday, September 5th, 2014 at 7:27am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)10S E 669893 N 4309287
Decimal Degrees38.91606667, -121.04038333
Degrees and Decimal MinutesN 38° 54.964', W 121° 2.423'
Degrees, Minutes and Seconds38° 54' 57.84" N, 121° 2' 25.38" W
Driving DirectionsGoogle Maps
Area Code(s)530, 916
Closest Postal AddressAt or near 137 Old Foresthill Rd, Auburn CA 95603, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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