US Bridges

I-275 over Cypress Creek Branch

Fair

Hillsborough County, Florida · 4.9MI North of US-41 · Structure no. 100283

Built
1965
60 years old, rebuilt 1986
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
66,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 over Cypress Creek Branch is a concrete culvert carrying I-275 over Cypress Creek Branch in Hillsborough County, Florida. It was built in 1965 and reconstructed in 1986, so it is 60 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 21 ft (6.3 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesI-275
CrossesCypress Creek Branch
Location4.9MI North of US-41
RouteInterstate 275
CountyHillsborough County
StateFlorida
Coordinates28.15067, -82.40709
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating110.1 US tons
Inventory rating76.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-275 over Cypress Creek Branch built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1986.

What condition is I-275 over Cypress Creek 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 May 2024.

How much traffic does I-275 over Cypress Creek Branch carry?

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

How long is I-275 over Cypress Creek Branch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns I-275 over Cypress Creek Branch?

It is owned by the State Highway Agency.