John T. Alsop Jr. Bridge
NBI Information
Location
State: Florida
County: Duval County
Feature Carried: US-1 (Main Street)
Feature Crossed: St. Johns River
Latitude, Longitude: 30.3221,-81.6586
Toll: On free road
Maintenance Responsibility: State Highway Agency
Structure Open, Posted, or Closed to Traffic: Open, no restriction
History
Year Built: 1941
Historical Significance: Bridge is eligible for the National Register of Historic Places.
Year Reconstructed: None
Picture Date: May 14, 2026
Geometry
Lanes on Structure: 4
Lanes under Structure: 0
Skew: 0 degrees
Number of Main Spans: 1
Main Structure Type: Movable - Lift
Main Structure Material: Steel
Number of Approach Spans: 16
Approach Structure Type: Stringer/Multi-beam or Girder
Approach Structure Material: Steel
Condition
Inspection Date: August 2024
Deck Condition: Satisfactory
Superstructure Condition: Fair
Substructure Condition: Fair
Channel Condition: Good
Culvert: Not Applicable
NBI Year: 2025
Bridge Information
Coming Soon
References
Coming Soon
