Structure 750087 · Orange County, FL

Sr528 Exit Rmp 0.0 over Interstate 4 SR 400

Carries Sr528 Exit Rmp 0.0 over Interstate 4 SR 400, I-4 & SR 528 Interchange.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT621 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

621 ft end to end, longest span 101 ft: about 1.7 football fields. 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.

Built197353 years old
Length621.1 ft189.3 m
Daily traffic25,500counted 2022
Last inspectedDecember 2023every 24 months

Location

StateFlorida
CountyOrange
LocationI-4 & SR 528 Interchange
CarriesSr528 Exit Rmp 0.0
CrossesInterstate 4 SR 400
Coordinates28.42178, -81.47459

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length621.1 ft (189.3 m)
Max Span101.4 ft (30.9 m)
Deck Width43.0 ft (13.1 m)
Deck Area2479.8 sq m
Main Spans8
Year Built1973

Traffic

Avg Daily Traffic25,500 (2022)
Truck Traffic11%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number750087

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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