US Bridges

I-4 WB over SR-423

Good

Orange County, Florida · I-4 WB Ramp - John Young · Structure no. 750515

Built
2006
19 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
1,629 ft
10 main spans
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-4 WB over SR-423 is a steel continuous box beam or girders - single or spread carrying I-4 WB over SR-423 in Orange County, Florida. It was built in 2006, so it is 19 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,500 vehicles a day, roughly 5% of them trucks, projected to reach 25,158 by 2045. The structure is 1,629 ft (496.5 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-4 WB
CrossesSR-423
LocationI-4 WB Ramp - John Young
RouteInterstate 4
CountyOrange County
StateFlorida
Coordinates28.50938, -81.42101
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.5 US tons
Inventory rating45.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10 (+1 approach)
Design loadHS 25 or greater
Structure length1,629 ft (496.5 m)
Longest span190 ft (57.9 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic25,158 by 2045
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-4 WB over SR-423 built?

It was built in 2006, making it 19 years old in 2025.

What condition is I-4 WB over SR-423 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does I-4 WB over SR-423 carry?

About 14,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I-4 WB over SR-423?

The structure is 1,629 ft (496.5 m) long with a longest span of 190 ft (57.9 m) and a deck 46 ft wide.

Who owns I-4 WB over SR-423?

It is owned by the State Highway Agency.