US Bridges

I-4 WB over Michigan Street

Good

Orange County, Florida · WB at Michigan ST · Structure no. 750766

Built
2018
7 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
2 main spans
Daily traffic
108,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-4 WB over Michigan Street is a prestressed concrete stringer/multi-beam or girder carrying I-4 WB over Michigan Street in Orange County, Florida. It was built in 2018, so it is 7 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 108,250 vehicles a day, roughly 7% of them trucks, projected to reach 143,432 by 2042. The structure is 290 ft (88.3 m) long and 125 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-4 WB
CrossesMichigan Street
LocationWB at Michigan ST
RouteInterstate 4
StateFlorida
Coordinates28.51467, -81.39078
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.8 US tons
Inventory rating38.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length290 ft (88.3 m)
Longest span177 ft (53.9 m)
Deck width125 ft (38.1 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108,250 (2022)
Projected traffic143,432 by 2042
Trucks7%
Lanes on structure7
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 over Michigan Street built?

It was built in 2018, making it 7 years old in 2025.

What condition is I-4 WB over Michigan Street 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 May 2023.

How much traffic does I-4 WB over Michigan Street carry?

About 108,250 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is I-4 WB over Michigan Street?

The structure is 290 ft (88.3 m) long with a longest span of 177 ft (53.9 m) and a deck 125 ft wide.

Who owns I-4 WB over Michigan Street?

It is owned by the State Highway Agency.