Thousand Islands Bridge

Photos 

Tib7

Photo taken by Doug Kerr in July 2004

Enlarge

BH Photo #174087

Map 

Street View 

A Series of Bridges 

Thousand Islands International Bridge system is a series of five bridges that span parts of the St. Lawrence River, ultimately connecting both banks. From south to north:
1. American mainland to Wellesley Island -U.S. South Suspension span
2. Wellesley Island to Hill Island (international crossing) BH 89150
3. Hill Island to Constance Island- Canadian through truss
4. Constance Island to Georgina Island - Canadian deck arch truss
5. Georgina Island to Canadian mainland - Canadian North Suspension span

Facts 

Overview

Suspension bridge over St. Lawrence River on I-81

Location

Jefferson County, New York

Status

Open to traffic

Future prospects

A report produced for the owner recommends South Channel bridge replacement in 2016-2018 and historic bridge demolition in 2019. The future of the North Channel Bridge is uncertain, and should also be considered at risk for demolition.

History

Built 1938; rehabilitated 1986

Builders

- American Bridge Co. of New York
- Robinson & Steinman of New York, New York

Design

Wire suspension

Dimensions

Length of largest span: 799.9 ft.
Total length: 4,500.2 ft. (0.9 mi.)
Deck width: 24.0 ft.
Vertical clearance above deck: 16.0 ft.

Also called

Ivy Lea Bridge

Approximate latitude, longitude

+44.30222, -75.98278   (decimal degrees)
44°18'08" N, 75°58'58" W   (degrees°minutes'seconds")

Approximate UTM coordinates

18/421607/4905910 (zone/easting/northing)

Quadrangle map:

Alexandria Bay

Average daily traffic (as of 2015)

6,396

Inventory numbers

NY 5523240 (New York State bridge identification number)
BH 26187 (Bridgehunter.com ID)

Inspection report (as of July 2017)

Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 42 (out of 100)
View more at BridgeReports.com

Categories 

Update Log 

• April 27, 2020: New photo from Geoff Hubbs
• September 27, 2018: New photos from Jann Mayer
• October 17, 2014: New photos from Patrick S. O'Donnell
• July 2, 2014: New Street View added by Ralph Demars
• September 26, 2013: Updated by Nathan Holth: This bridge is at risk for demolition.

Sources 

• Doug Kerr
• Nathan Holth
• Patrick S. O'Donnell - 1 [dot] 991km [at] comcast [dot] net
• Jann Mayer - jannmayer [at] gmail [dot] com
• Geoff Hubbs

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