US Bridges

I-4 (SR-400) over Sportsman Branch

Fair

Hillsborough County, Florida · 150YDS W of Br Forbes RD · Structure no. 100621

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
13,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-4 (SR-400) over Sportsman Branch is a concrete culvert carrying I-4 (SR-400) over Sportsman Branch 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 13,500 vehicles a day, roughly 11% of them trucks, projected to reach 23,422 by 2044. The structure is 30 ft (9 m) long.

Location

Open in Google Maps
CarriesI-4 (SR-400)
CrossesSportsman Branch
Location150YDS W of Br Forbes RD
RouteInterstate 4
CountyHillsborough County
StateFlorida
Coordinates28.02678, -82.19114
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2024)
Projected traffic23,422 by 2044
Trucks11%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-4 (SR-400) over Sportsman Branch built?

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

What condition is I-4 (SR-400) over Sportsman Branch 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 October 2024.

How much traffic does I-4 (SR-400) over Sportsman Branch carry?

About 13,500 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I-4 (SR-400) over Sportsman Branch?

The structure is 30 ft (9 m) long with a longest span of 8 ft (2.4 m).

Who owns I-4 (SR-400) over Sportsman Branch?

It is owned by the State Highway Agency.