North Williston Bridge, Spanning Winooski River at town line of Essex & Wi, Essex, Chittenden County, VT

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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey

14 b&w photos
7 data pages
1 photo caption pages

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TITLE:
North Williston Bridge, Spanning Winooski River at town line of Essex & Wi, Essex, Chittenden County, VT

CALL NUMBER:
HAER VT,4-ESX,1-

REPRODUCTION NUMBER:
[See Call Number]

MEDIUM:
Photo(s): 14 (4 x 5 in.)
Data Page(s): 6 plus cover page
Photo Caption Page(s): 1

DATE:
Documentation compiled after 1968.

CREATOR:
Historic American Engineering Record, creator

NOTE:
Survey number HAER VT-22

Building/structure dates: 1925 initial construction

Significance: This bridge is notable as one of the few Pennsylvania trusses in Vermont. The Pennsylvania truss is basically a Parker truss with subdivided panels, permitting additional floor beams between major verticals and thereby a cheaper floor and truss system. Accordingly, its use was generally limited to spans of more than 200' length. The extensive use of members built up by riveting plates, channels, angles and lacing bar is typical of the early 1920s. Later on, such members were more often simply rolled I-beams, a cheaper and faster alternative. This is the only known surviving bridge in Vermont fabricated by the Standard Engineering and Contracting Company. It is eligible for inclusion in the National Register of Historic Places.

SUBJECTS:
VERMONT--Chittenden County--Essex
transportation
bridge construction
steel truss bridges

COLLECTION:
Historic American Engineering Record (Library of Congress)

REPOSITORY:
Library of Congress, Prints and Photograph Division, Washington, D.C. 20540 USA

DIGID:
http://hdl.loc.gov/loc.pnp/hhh.vt0115

CONTENTS:
Photograph caption(s):
1. View north, south elevation
2. View southwest, northeast elevation
3. View east, southwest elevation
4. View north, north abutment with detail of underside of bridge
5. View south, south abutment
6. View southwest, detail of southeast truss-abutment connection
7. View southwest, detail of bridge plaque
8. View northwest, close-up of southeast end panel
9. View southwest, elevation close-up of a single northwest panel
10. View southwest, two northwest panels
11. View northwest, close-up of lower southeast truss connection
12. View northwest, close-up of upper southeast truss connection
13. View southeast, truss connections
14. View north, upper truss connections

CONTROL #:
VT0115

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