US 1 (sr 5) over Lower Sugarloaf Channel

Fair Condition45 years old17,600 vehicles/day

Location

StateFlorida
CountyMonroe
LocationSugarloaf Key (mm 15.5)
CarriesUS 1 (sr 5)
CrossesLower Sugarloaf Channel
Coordinates24.63272, -81.58728

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1288.1 ft (392.6 m)
Max Span82.0 ft (25 m)
Deck Width39.0 ft (11.9 m)
Deck Area4671.9 sq m
Main Spans16
Year Built1981

Traffic

Avg Daily Traffic17,600 (2024)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number900102

Nearby Bridges