US Bridges

I-275 over US-41 CSX RR

Fair

Hillsborough County, Florida · 2.9MI North of SR-582 · Structure no. 100240

Built
1964
61 years old, rebuilt 2002
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
330 ft
6 main spans
Daily traffic
66,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 over US-41 CSX RR is a prestressed concrete stringer/multi-beam or girder carrying I-275 over US-41 CSX RR in Hillsborough County, Florida. It was built in 1964 and reconstructed in 2002, 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 66,500 vehicles a day, roughly 7% of them trucks, projected to reach 115,378 by 2044. The structure is 330 ft (100.5 m) long and 117 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-275
CrossesUS-41 CSX RR
Location2.9MI North of SR-582
RouteInterstate 275
CountyHillsborough County
StateFlorida
Coordinates28.09642, -82.45201
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length330 ft (100.5 m)
Longest span65 ft (19.9 m)
Deck width117 ft (35.7 m)
Roadway width110 ft (33.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,500 (2024)
Projected traffic115,378 by 2044
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$11,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275 over US-41 CSX RR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2002.

What condition is I-275 over US-41 CSX RR 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 May 2024.

How much traffic does I-275 over US-41 CSX RR carry?

About 66,500 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I-275 over US-41 CSX RR?

The structure is 330 ft (100.5 m) long with a longest span of 65 ft (19.9 m) and a deck 117 ft wide.

Who owns I-275 over US-41 CSX RR?

It is owned by the State Highway Agency.