US Bridges

I-4 EB (SR-400) over 4th Street & CSX RR

Good

Hillsborough County, Florida · 60 Ft N/O Gantry Structur · Structure no. 100722

Built
2013
12 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
626 ft
5 main spans
Daily traffic
9,250
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-4 EB (SR-400) over 4th Street & CSX RR is a prestressed concrete stringer/multi-beam or girder carrying I-4 EB (SR-400) over 4th Street & CSX RR in Hillsborough County, Florida. It was built in 2013, so it is 12 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 9,250 vehicles a day, roughly 11% of them trucks, projected to reach 16,049 by 2042. The structure is 626 ft (190.9 m) long and 161 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)
Crosses4th Street & CSX RR
Location60 Ft N/O Gantry Structur
RouteState Highway 0
CountyHillsborough County
StateFlorida
Coordinates27.95872, -82.42623
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionDecember 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 rating52.5 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length626 ft (190.9 m)
Longest span138 ft (42.1 m)
Deck width161 ft (49.1 m)
Roadway width123 ft (37.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,250 (2023)
Projected traffic16,049 by 2042
Trucks11%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
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 4th Street & CSX RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is I-4 EB (SR-400) over 4th Street & CSX RR 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 December 2023.

How much traffic does I-4 EB (SR-400) over 4th Street & CSX RR carry?

About 9,250 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-4 EB (SR-400) over 4th Street & CSX RR?

The structure is 626 ft (190.9 m) long with a longest span of 138 ft (42.1 m) and a deck 161 ft wide.

Who owns I-4 EB (SR-400) over 4th Street & CSX RR?

It is owned by the State Toll Authority and maintained by the State Highway Agency.