US Bridges

WB I-4 Off Ramp over Wildlife Crossing

Good

Polk County, Florida · 0.7 Miles E/O SR-557 · Structure no. 160536

Built
2020
5 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
19,500
2023 count
Owner
State
State Highway Agency

About this bridge

WB I-4 Off Ramp over Wildlife Crossing is a prestressed concrete stringer/multi-beam or girder carrying WB I-4 Off Ramp over Wildlife Crossing in Polk 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,500 vehicles a day, roughly 13% of them trucks, projected to reach 33,833 by 2042. The structure is 67 ft (20.4 m) long and 60 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesWB I-4 Off Ramp
CrossesWildlife Crossing
Location0.7 Miles E/O SR-557
RouteInterstate 4
CountyPolk County
StateFlorida
Coordinates28.18668, -81.7331
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 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 rating49.8 US tons
Inventory rating38.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length67 ft (20.4 m)
Longest span67 ft (20.4 m)
Deck width60 ft (18.2 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2023)
Projected traffic33,833 by 2042
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB I-4 Off Ramp over Wildlife Crossing built?

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

What condition is WB I-4 Off Ramp over Wildlife Crossing 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 March 2023.

How much traffic does WB I-4 Off Ramp over Wildlife Crossing carry?

About 19,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is WB I-4 Off Ramp over Wildlife Crossing?

The structure is 67 ft (20.4 m) long with a longest span of 67 ft (20.4 m) and a deck 60 ft wide.

Who owns WB I-4 Off Ramp over Wildlife Crossing?

It is owned by the State Highway Agency.