Structure 750748 · Orange County, FL

I-4 WB To EB Sr408 over I-4/408

Carries I-4 WB To EB Sr408 over I-4/408, Downtown Multi-level Int.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,587 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

2,587 ft end to end, longest span 276 ft: about 7.2 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 box-beam bridge.

Built20197 years old
Length2586.6 ft788.4 m
Daily traffic36,000counted 2022
Last inspectedOctober 2023every 24 months

Location

StateFlorida
CountyOrange
LocationDowntown Multi-level Int
CarriesI-4 WB To EB Sr408
CrossesI-4/408
Coordinates28.53997, -81.38286

Physical Characteristics

MaterialSteel
DesignBox Beam - Multiple
Total Length2586.6 ft (788.4 m)
Max Span275.6 ft (84 m)
Deck Width35.8 ft (10.9 m)
Deck Area8593.6 sq m
Main Spans14
Year Built2019

Traffic

Avg Daily Traffic36,000 (2022)
Truck Traffic6%
Lanes On Bridge1
Lanes Under Bridge35

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number750748

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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