US Bridges

I-4 WB over Bonnet Creek

Fair

Osceola County, Florida · 1.1 MI E of US-192/SR-530 · Structure no. 920100

Built
1960
65 years old, rebuilt 1979
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
153 ft
4 main spans
Daily traffic
61,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-4 WB over Bonnet Creek is a prestressed concrete stringer/multi-beam or girder carrying I-4 WB over Bonnet Creek in Osceola County, Florida. It was built in 1960 and reconstructed in 1979, so it is 65 years old, older 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 6 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 61,500 vehicles a day, roughly 10% of them trucks, projected to reach 106,703 by 2045. The structure is 153 ft (46.5 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-4 WB
CrossesBonnet Creek
Location1.1 MI E of US-192/SR-530
RouteInterstate 4
StateFlorida
Coordinates28.34555, -81.5335
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating39.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length153 ft (46.5 m)
Longest span38 ft (11.6 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic61,500 (2023)
Projected traffic106,703 by 2045
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-4 WB over Bonnet Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1979.

What condition is I-4 WB over Bonnet Creek 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 November 2024.

How much traffic does I-4 WB over Bonnet Creek carry?

About 61,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I-4 WB over Bonnet Creek?

The structure is 153 ft (46.5 m) long with a longest span of 38 ft (11.6 m) and a deck 71 ft wide.

Who owns I-4 WB over Bonnet Creek?

It is owned by the State Highway Agency.