US Bridges

I-4 WB (SR-400) over Orient Road

Fair

Hillsborough County, Florida · 1.0 MI West of US-301 · Structure no. 100589

Built
2001
24 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
202 ft
1 main span
Daily traffic
64,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-4 WB (SR-400) over Orient Road is a steel stringer/multi-beam or girder carrying I-4 WB (SR-400) over Orient Road in Hillsborough County, Florida. It was built in 2001, so it is 24 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 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 64,250 vehicles a day, roughly 12% of them trucks, projected to reach 111,474 by 2044. The structure is 202 ft (61.7 m) long and 72 ft wide.

Location

Open in Google Maps
CarriesI-4 WB (SR-400)
CrossesOrient Road
Location1.0 MI West of US-301
RouteInterstate 4
CountyHillsborough County
StateFlorida
Coordinates27.99033, -82.37314
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length202 ft (61.7 m)
Longest span202 ft (61.7 m)
Deck width72 ft (21.8 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,250 (2022)
Projected traffic111,474 by 2044
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I-4 WB (SR-400) over Orient Road built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-4 WB (SR-400) over Orient Road 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 June 2024.

How much traffic does I-4 WB (SR-400) over Orient Road carry?

About 64,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-4 WB (SR-400) over Orient Road?

The structure is 202 ft (61.7 m) long with a longest span of 202 ft (61.7 m) and a deck 72 ft wide.

Who owns I-4 WB (SR-400) over Orient Road?

It is owned by the State Highway Agency.