US Bridges

I-275 SB (SR-93) over Business US-41(SR-685)

Fair

Hillsborough County, Florida · 0.2 MI E of Hills River · Structure no. 100832

Built
1964
61 years old, rebuilt 2005
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,096 ft
15 main spans
Daily traffic
222,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 SB (SR-93) over Business US-41(SR-685) is a prestressed concrete stringer/multi-beam or girder carrying I-275 SB (SR-93) over Business US-41(SR-685) in Hillsborough County, Florida. It was built in 1964 and reconstructed in 2005, so it is 61 years old, older 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 222,000 vehicles a day, roughly 9% of them trucks, projected to reach 385,170 by 2044. The structure is 1,096 ft (334.1 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-275 SB (SR-93)
CrossesBusiness US-41(SR-685)
Location0.2 MI E of Hills River
RouteInterstate 275
CountyHillsborough County
StateFlorida
Coordinates27.95668, -82.46094
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20 + Mod
Structure length1,096 ft (334.1 m)
Longest span85 ft (25.8 m)
Deck width65 ft (19.7 m)
Roadway width62 ft (18.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222,000 (2024)
Projected traffic385,170 by 2044
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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-275 SB (SR-93) over Business US-41(SR-685) built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2005.

What condition is I-275 SB (SR-93) over Business US-41(SR-685) 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 July 2024.

How much traffic does I-275 SB (SR-93) over Business US-41(SR-685) carry?

About 222,000 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-275 SB (SR-93) over Business US-41(SR-685)?

The structure is 1,096 ft (334.1 m) long with a longest span of 85 ft (25.8 m) and a deck 65 ft wide.

Who owns I-275 SB (SR-93) over Business US-41(SR-685)?

It is owned by the State Highway Agency.