Bridge
BIN 5523240
I81 - T.I. BRIDGE AUTH-Thousand Islands Bridge over COUNTY ROAD # 100
FairNYSDOT rating 5.40 of 7Inspected Aug 28, 2025
Inventory facts
Location
- Carries
- I81 - T.I. BRIDGE AUTH-Thousand Islands Bridge
- Crosses
- COUNTY ROAD # 100
- County
- JEFFERSON
- NYSDOT region
- (7) Watertown
- Place
- Orleans (Town)
- Location note
- 2.5 MI.SW OF ALEX. BAY
Ownership
- Owner
- Thousand Islands Bridge Authority
- Maintained by
- Thousand Islands Bridge Authority
Design
- Year built
- 1938
- Structure type
- 13 - Suspension
- Material
- 3 - Steel
- Spans
- 45
- Length (ft)
- 4500
- Deck area (sq ft)
- 137200
Condition
- NYSDOT condition rating
- 5.41 (poor) to 7 (new)
- FHWA condition
- Fair
- Poor status
- NoBridge Conditions dataset
- NBI superstructure
- 50 to 9
- Last inspection
- 2025-08-28
Load and traffic
- R-posted
- NOPosting flag as recorded
- AADT
- 5436Count year not supplied by this layer
Source: NYSDOT Bridges; Bridge Conditions, NYS Department of Transportation, updated Oct 5, 2026. Our copy checked Nov 1, 2026.
Contracts that name this BIN 0 in the record-plan index
No indexed contracts.
Source: NYSDOT Highway Record Plans, updated Jun 26, 2026. Our copy checked Nov 1, 2026. A BIN named in a contract's index row does not prove every drawing applies to this structure.