Home > Colorado > Waterton vicinity > Keystone Bridge, Spanning South Platte River, Waterton, Jefferson County, CO
B&W Photos
HB226153
Detail View Of Name Plate On Top Of Nw Entrance To Bridge.
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HB226154
Detail View Of End Post At Southeast Corner Of Bridge.
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HB226155
General View Of Bridge Looking Southeast.
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HB226156
Detail View Of Northwest Abutment And Bridge Seat.
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HB226157
Detail View Of Lower Panel Point On East Side Of Bridge.
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HB226158
General View Of Bridge Portal From Northwest.
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HB226159
Detail View Of Lower Chord Pin Connection With U-bolt And Riveted Floor Beam.
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HB226160
General View Of Floorbeams And Stringers.
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HB226161
Photocopy Of Sheet 17 Of 20 From Drawing Set Titled 'south Platte Canyon Road: Existing Bridge-dismantle' March 29, 1974; Sheet Shows Plans Of Top And Bottom Cards
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HB226162
Photocopy Of Sheet 18 Of 20 From Drawing Set Titled 'south Platte Canyon Road: Existing Bridge-dismantle' March 29, 1974; Sheet Shows Truss Elevation And Details Of Joint Sheet 18-20.
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Data Pages
Photo Caption Pages
Item Title
LocationSpanning South Platte River,
Waterton vicinity, CO
Find maps of Waterton, CO
Created/Published
Documentation compiled after 1968.
Notes
Survey number HAER CO-9
Significance: The bridge is a pin connected iron Pratt through truss, manufactured by the Keystone Bridge Company of Pittsburgh, Pennsylvania. It was probably built originally for the Denver, South Park, and Pacific Railroad other stone piers on the site indicate that this is probably the second bridge on the site. The bridge was removed from railroad service about 1935 and was planked for automobile traffic. In 1978, the bridge was planned to be dismantled, piece marked and reassembled in another location...
Subjects
Civil EngineeringMoving Of StructuresRailroad Companies
Collection
Historic American Engineering Record (Library of Congress)
Contents
Photograph caption(s):
1. Detail view of name plate on top of NW entrance to bridge.
2. Detail view of end post at southeast corner of bridge.
3. General view of bridge looking southeast.
4. Detail view of northwest abutment and bridge seat.
5. Detail view of lower panel point on east side of bridge.
6. General view of bridge portal from northwest.
7. Detail view of lower chord pin connection with U-bolt and riveted floor beam.
8. General view of floorbeams and stringers.
9. Photocopy of sheet 17 of 20 from drawing set titled 'South Platte Canyon Road: Existing Bridge-Dismantle' March 29, 1974; sheet shows plans of top and bottom cards. Courtesy of Denver Water Works.
10. Photocopy of sheet 18 of 20 from drawing set titled 'South Platte Canyon Road: Existing Bridge-Dismantle' March 29, 1974; sheet shows truss elevation and details of joint sheet 18-20.
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