Structure 920604 · Osceola County, FL

SR 429 NB 2.3 over Sand Hill Road

Carries SR 429 NB 2.3 over Sand Hill Road, 1.7 Mi North Of I-4.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT71 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

71 ft end to end. Lengths and the car 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.

Built200620 years old
Length70.5 ft21.5 m
Daily traffic15,000counted 2022
Last inspectedNovember 2023every 24 months

Location

StateFlorida
CountyOsceola
Location1.7 Mi North Of I-4
CarriesSR 429 NB 2.3
CrossesSand Hill Road
Coordinates28.30320, -81.60734

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length70.5 ft (21.5 m)
Max Span70.5 ft (21.5 m)
Deck Width44.9 ft (13.7 m)
Deck Area294.6 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic15,000 (2022)
Truck Traffic11%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number920604

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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