US Bridges

I-275SB to SR679WB over US-19 SR-55 SR-679

Good

Pinellas County, Florida · Intersect I275 US19 SR679 · Structure no. 150186

Built
1984
41 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,285 ft
7 main spans
Daily traffic
8,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-275SB to SR679WB over US-19 SR-55 SR-679 is a steel continuous stringer/multi-beam or girder carrying I-275SB to SR679WB over US-19 SR-55 SR-679 in Pinellas County, Florida. It was built in 1984, so it is 41 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 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 8,100 vehicles a day, roughly 7% of them trucks, projected to reach 14,054 by 2044. The structure is 1,285 ft (391.6 m) long and 44 ft wide.

Location

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CarriesI-275SB to SR679WB
CrossesUS-19 SR-55 SR-679
LocationIntersect I275 US19 SR679
RouteInterstate 275
CountyPinellas County
StateFlorida
Coordinates27.71855, -82.67926
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 inspectionJuly 2023
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 alignment7: Better than present minimum criteria
Operating rating45.7 US tons
Inventory rating35.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length1,285 ft (391.6 m)
Longest span225 ft (68.7 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic14,054 by 2044
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$66,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275SB to SR679WB over US-19 SR-55 SR-679 built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-275SB to SR679WB over US-19 SR-55 SR-679 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 July 2023.

How much traffic does I-275SB to SR679WB over US-19 SR-55 SR-679 carry?

About 8,100 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is I-275SB to SR679WB over US-19 SR-55 SR-679?

The structure is 1,285 ft (391.6 m) long with a longest span of 225 ft (68.7 m) and a deck 44 ft wide.

Who owns I-275SB to SR679WB over US-19 SR-55 SR-679?

It is owned by the State Highway Agency.