US Bridges

I-275 (SR-93) SB over Willow Avenue

Good

Hillsborough County, Florida · 0.8 MI W/O US-41 Bus · Structure no. 100704

Built
2014
11 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
114,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 (SR-93) SB over Willow Avenue is a prestressed concrete stringer/multi-beam or girder carrying I-275 (SR-93) SB over Willow Avenue in Hillsborough County, Florida. It was built in 2014, so it is 11 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 114,000 vehicles a day, roughly 7% of them trucks, projected to reach 197,790 by 2044. The structure is 108 ft (32.9 m) long and 100 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-275 (SR-93) SB
CrossesWillow Avenue
Location0.8 MI W/O US-41 Bus
RouteInterstate 275
CountyHillsborough County
StateFlorida
Coordinates27.95628, -82.47253
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length108 ft (32.9 m)
Longest span108 ft (32.9 m)
Deck width100 ft (30.5 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114,000 (2024)
Projected traffic197,790 by 2044
Trucks7%
Lanes on structure5
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 (SR-93) SB over Willow Avenue built?

It was built in 2014, making it 11 years old in 2025.

What condition is I-275 (SR-93) SB over Willow Avenue 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 November 2024.

How much traffic does I-275 (SR-93) SB over Willow Avenue carry?

About 114,000 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I-275 (SR-93) SB over Willow Avenue?

The structure is 108 ft (32.9 m) long with a longest span of 108 ft (32.9 m) and a deck 100 ft wide.

Who owns I-275 (SR-93) SB over Willow Avenue?

It is owned by the State Highway Agency.