Structure 860672 · Broward County, FL

Miramar Parkway over I-75

Carries Miramar Parkway over I-75, 2.5 Mi South Of Sr-820.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT452 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

452 ft end to end, longest span 146 ft: 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 multi-beam bridge.

Built20179 years old
Length452.1 ft137.8 m
Daily traffic47,500counted 2023
Last inspectedMarch 2023every 24 months

Location

StateFlorida
CountyBroward
Location2.5 Mi South Of Sr-820
CarriesMiramar Parkway
CrossesI-75
Coordinates25.97861, -80.35167

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length452.1 ft (137.8 m)
Max Span146.0 ft (44.5 m)
Deck Width169.0 ft (51.5 m)
Deck Area7096.7 sq m
Main Spans4
Year Built2017

Traffic

Avg Daily Traffic47,500 (2023)
Truck Traffic5%
Lanes On Bridge11
Lanes Under Bridge16

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number860672

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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