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Sequin Bridge 45-04-02

Chittenden County, Vermont

Photos 

Sequin Bridge

Photo taken by John Borthwick in October 2010

BH Photo #188554

Map 

Facts 

Overview
Covered Burr arch-truss bridge over Lewis Creek on Roscoe Road
Location
East Charlotte, Chittenden County, Vermont
Status
Open to traffic
History
Built 1849; Rehabilitated 1949, 1994 & 2016
Builders
- Blow & Cote Inc. of Morrisville, Vermont (2016 Rehabilitation)
- Jan Lewandoski (1994 Rehabilitation)
- Paul Ide (1994 Rehabilitation)
Design
Burr / Tied Arch : Variant - The Arch rings terminate at the Chord as opposed to the typical terminus at an Abutment Springstone
Dimensions
Length of largest span: 64.0 ft.
Total length: 71.9 ft.
Deck width: 12.5 ft.
Also called
Upper Bridge
Approximate latitude, longitude
+44.28896, -73.15016   (decimal degrees)
44°17'20" N, 73°09'01" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/647588/4905632 (zone/easting/northing)
Quadrangle map:
Mount Philo
Average daily traffic (as of 2016)
250
Inventory number
BH 47115 (Bridgehunter.com ID)
Inspection report (as of September 2017)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Deck condition rating: Very Good (8 out of 9)
Sufficiency rating: 28.9 (out of 100)
View more at BridgeReports.com

Categories 

19th Century (7,698)
Blow & Cote Inc. (8)
Built 1849 (26)
Built during 1840s (200)
Burr arch-truss (362)
Chittenden County, Vermont (44)
Covered (1,683)
East Charlotte, Vermont (2)
Functionally obsolete (6,269)
 Jan Lewandoski (10)
Open (40,003)
Owned by township (2,804)
Paul Ide (3)
Span length 50-75 feet (10,142)
Through truss (15,327)
Total length 50-75 feet (9,341)
Truss (33,215)
Vermont (630)

Update Log 

  • April 4, 2018: New photos from Richard Doody
  • October 27, 2017: New photos from Michael Quiet
  • December 14, 2016: New photos from Michael Quiet
  • August 8, 2016: Updated by Michael Quiet: Noted that Bridge is currently closed and undergoing a rehabilitation. Added pictures of the rehab in progress.
  • January 4, 2016: New photos from Michael Quiet
  • June 16, 2014: New photos from Michael Quiet
  • November 26, 2010: Added by John Borthwick

Sources 

  • John Borthwick
  • Michael Quiet - mquiet [at] gmail [dot] com
  • Richard Doody
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Comments 

Sequin Bridge 45-04-02
Posted August 8, 2016, by Michael Quiet (MQuiet [at] Gmail [dot] com)

News article about the 2016 rehabilitation for this bridge:

https://charlottenewsvt.org/2016/06/17/extensive-seguin-brid...

Looks like their are some concerns to be had about this process. They'll be increasing the weight limit for the bridge by 2 tons, which while written off by the project manager as not an "appreciable amount" (its a 40% increase), is necessitating a complete rebuild of the floor system, and replacement of the upper chord with wider ones. Also with the process they'll be removing the roof, which presents the opportunity for damage to occur (including possibly the incredibly unique elliptical lateral bracing system).

I did appreciate the fact that they got Jan Lewandoski (who did the '94 rehab and who has a solid reputation for in-kind authentic rehabilitation) to comment for the article, and I share the concerns he mentions with the project.