US Bridges

I-4 EB SR-400 over Columbus Drive

Fair

Hillsborough County, Florida · I-4 EB over Columbus DR · Structure no. 100671

Built
2005
20 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
820 ft
4 main spans
Daily traffic
83,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-4 EB SR-400 over Columbus Drive is a steel continuous stringer/multi-beam or girder carrying I-4 EB SR-400 over Columbus Drive in Hillsborough County, Florida. It was built in 2005, so it is 20 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 83,250 vehicles a day, roughly 10% of them trucks, projected to reach 144,439 by 2044. The structure is 820 ft (249.8 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-4 EB SR-400
CrossesColumbus Drive
LocationI-4 EB over Columbus DR
RouteInterstate 4
CountyHillsborough County
StateFlorida
Coordinates27.96566, -82.40522
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.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length820 ft (249.8 m)
Longest span227 ft (69.3 m)
Deck width58 ft (17.8 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,250 (2022)
Projected traffic144,439 by 2044
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 I-4 EB SR-400 over Columbus Drive built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-4 EB SR-400 over Columbus Drive 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 EB SR-400 over Columbus Drive carry?

About 83,250 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I-4 EB SR-400 over Columbus Drive?

The structure is 820 ft (249.8 m) long with a longest span of 227 ft (69.3 m) and a deck 58 ft wide.

Who owns I-4 EB SR-400 over Columbus Drive?

It is owned by the State Highway Agency.