US 1 (sr 5) over Saddle Bunch #4

Fair Condition46 years old16,900 vehicles/day

Location

StateFlorida
CountyMonroe
LocationN Boca Chica Key(mm 13.1)
CarriesUS 1 (sr 5)
CrossesSaddle Bunch #4
Coordinates24.61532, -81.61757

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length878.0 ft (267.6 m)
Max Span82.0 ft (25 m)
Deck Width46.9 ft (14.3 m)
Deck Area3826.7 sq m
Main Spans11
Year Built1980

Traffic

Avg Daily Traffic16,900 (2025)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number900091

Nearby Bridges