US Bridges

I-4 WB to EB SR408 over I-4/408

Good

Orange County, Florida · Downtown Multi-Level Int · Structure no. 750748

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Steel
Length
2,587 ft
14 main spans
Daily traffic
36,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-4 WB to EB SR408 over I-4/408 is a steel box beam or girders - multiple carrying I-4 WB to EB SR408 over I-4/408 in Orange County, Florida. It was built in 2019, so it is 6 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 36,000 vehicles a day, roughly 6% of them trucks, projected to reach 41,000 by 2042. The structure is 2,587 ft (788.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-4 WB to EB SR408
CrossesI-4/408
LocationDowntown Multi-Level Int
RouteInterstate 4
CountyOrange County
StateFlorida
Coordinates28.53997, -81.38286
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckConcrete, cast-in-place
Main spans14
Design loadHL 93
Structure length2,587 ft (788.4 m)
Longest span276 ft (84 m)
Deck width36 ft (10.9 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deck19 ft (5.6 m)

Traffic and service

Average daily traffic36,000 (2022)
Projected traffic41,000 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 to EB SR408 over I-4/408 built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-4 WB to EB SR408 over I-4/408 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 October 2023.

How much traffic does I-4 WB to EB SR408 over I-4/408 carry?

About 36,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I-4 WB to EB SR408 over I-4/408?

The structure is 2,587 ft (788.4 m) long with a longest span of 276 ft (84 m) and a deck 36 ft wide.

Who owns I-4 WB to EB SR408 over I-4/408?

It is owned by the State Highway Agency.