US Bridges

I-4 WB Exp over SR-408

Fair

Orange County, Florida · I-4 WB Exp · Structure no. 750905

Built
2020
5 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
2,144 ft
19 main spans
Daily traffic
36,000
2020 count
Owner
State
State Highway Agency

About this bridge

I-4 WB Exp over SR-408 is a steel stringer/multi-beam or girder carrying I-4 WB Exp over SR-408 in Orange County, Florida. It was built in 2020, so it is 5 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36,000 vehicles a day, roughly 6% of them trucks, projected to reach 41,000 by 2040. The structure is 2,144 ft (653.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-4 WB Exp
CrossesSR-408
LocationI-4 WB Exp
CountyOrange County
StateFlorida
Coordinates28.54764, -81.38253
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans19
Design loadHL 93
Structure length2,144 ft (653.4 m)
Longest span230 ft (70.2 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic36,000 (2020)
Projected traffic41,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a toll 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-4 WB Exp over SR-408 built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-4 WB Exp over SR-408 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does I-4 WB Exp over SR-408 carry?

About 36,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I-4 WB Exp over SR-408?

The structure is 2,144 ft (653.4 m) long with a longest span of 230 ft (70.2 m) and a deck 30 ft wide.

Who owns I-4 WB Exp over SR-408?

It is owned by the State Highway Agency.