Structure 900098 · Monroe County, FL

US 1 (sr 5) over Channel #5

Carries US 1 (sr 5) over Channel #5, Fiesta-craig Key (mm 71).

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
4,924 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

4,924 ft end to end, longest span 135 ft: about 14 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a segmental box-girder bridge.

Built198244 years old
Length4923.9 ft1500.8 m
Daily traffic11,500counted 2024
Last inspectedFebruary 2025every 24 months

Location

StateFlorida
CountyMonroe
LocationFiesta-craig Key (mm 71)
CarriesUS 1 (sr 5)
CrossesChannel #5
Coordinates24.83799, -80.77335

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignSegmental Box Girder
Total Length4923.9 ft (1500.8 m)
Max Span134.8 ft (41.1 m)
Deck Width38.4 ft (11.7 m)
Deck Area17559.4 sq m
Main Spans37
Year Built1982

Traffic

Avg Daily Traffic11,500 (2024)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number900098

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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