Structure 860146 · Broward County, FL

Hillsboro Blvd. over Intracoastal Waterway

Carries Hillsboro Blvd. over Intracoastal Waterway, 300 W Of A1a & E Of Sr-5.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT444 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

444 ft end to end: about 6 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. 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 bascule bridge (drawn closed).

Built195769 years old
Length444.2 ft135.4 m
Daily traffic25,500counted 2024
Last inspectedSeptember 2024every 24 months

Location

StateFlorida
CountyBroward
Location300 W Of A1a & E Of Sr-5
CarriesHillsboro Blvd.
CrossesIntracoastal Waterway
Coordinates26.31440, -80.08090

Physical Characteristics

MaterialSteel
DesignMovable - Bascule
Total Length444.2 ft (135.4 m)
Max Span109.9 ft (33.5 m)
Deck Width57.7 ft (17.6 m)
Deck Area2383.0 sq m
Main Spans1
Year Built1957

Traffic

Avg Daily Traffic25,500 (2024)
Truck Traffic6%
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number860146

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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