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CSX - Gray's Knob Bridge

Harlan County, Kentucky

Photos 

North truss profile

Photo taken by Calvin Sneed in December 2013

Enlarge

BH Photo #271684

Map 

Street Views 

Description 

This bridge is one of two identical bridges built by the Louisville & Nashville Railroad, Harlan Division both at the same time in 1910.

Facts 

Overview
Skewed polygonal Warren through truss, camelback design, with all verticals bridge over Cumberland River, Martin's Fork on CSX Railroad
Location
Harlan County, Kentucky
Status
Open to traffic
History
Built by the Louisville & Nashville Railroad, 1910
Builder
- American Bridge Co. of New York
Railroads
- CSX Railroad (CSX)
- Louisville & Nashville Railroad (LN)
Design
Polygonal Warren through truss, camelback design with all verticals
Dimensions
Total length: 120.0 ft.
Skew angle
20 degrees
Approximate latitude, longitude
+36.81459, -83.28795   (decimal degrees)
36°48'53" N, 83°17'17" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/295918/4076746 (zone/easting/northing)
Quadrangle map:
Harlan
Elevation
1218 ft. above sea level
Inventory number
BH 58958 (Bridgehunter.com ID)

Categories 

American Bridge Co. (1,505)
Built 1910 (1,158)
Built during 1910s (9,632)
CSX Railroad (1,662)
Concrete girder (1,003)
Girder (10,233)
Harlan County, Kentucky (17)
Have street view (26,946)
Kentucky (1,325)
Louisville & Nashville Railroad (278)
Open (39,882)
 Owned by railroad (12,422)
Polygonal Warren through truss (430)
Polygonal Warren through truss with all verticals (107)
Polygonal Warren truss (1,051)
Skewed (4,906)
Through girder (3,810)
Through truss (15,060)
Total length 100-125 feet (5,169)
Truss (32,782)
Warren truss (6,564)

Update Log 

  • December 9, 2013: Added by Calvin Sneed

Sources 

  • Calvin Sneed - us43137415 [at] yahoo [dot] com

Comments 

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