US Bridges

I-275 (SR-93) over CR-587 (westshore Blvd)

Good

Hillsborough County, Florida · 1.0 MI W of US-92 · Structure no. 100117

Built
1962
63 years old, rebuilt 2020
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
4 main spans
Daily traffic
193,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-275 (SR-93) over CR-587 (westshore Blvd) is a prestressed concrete stringer/multi-beam or girder carrying I-275 (SR-93) over CR-587 (westshore Blvd) in Hillsborough County, Florida. It was built in 1962 and reconstructed in 2020, so it is 63 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 193,000 vehicles a day, roughly 7% of them trucks, projected to reach 334,855 by 2044. The structure is 190 ft (57.9 m) long and 178 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-275 (SR-93)
CrossesCR-587 (westshore Blvd)
Location1.0 MI W of US-92
RouteInterstate 275
StateFlorida
Coordinates27.95025, -82.5242
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating60.5 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length190 ft (57.9 m)
Longest span56 ft (17.1 m)
Deck width178 ft (54.2 m)
Roadway width164 ft (50 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193,000 (2022)
Projected traffic334,855 by 2044
Trucks7%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 (SR-93) over CR-587 (westshore Blvd) built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2020.

What condition is I-275 (SR-93) over CR-587 (westshore Blvd) 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 August 2024.

How much traffic does I-275 (SR-93) over CR-587 (westshore Blvd) carry?

About 193,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is I-275 (SR-93) over CR-587 (westshore Blvd)?

The structure is 190 ft (57.9 m) long with a longest span of 56 ft (17.1 m) and a deck 178 ft wide.

Who owns I-275 (SR-93) over CR-587 (westshore Blvd)?

It is owned by the State Highway Agency.