US Bridges

I-275 NB/US19 over Bunces Pass

Good

Pinellas County, Florida · 1.4MI N/O Sunshine Skyway · Structure no. 150211

Built
1991
34 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,568 ft
15 main spans
Daily traffic
32,608
2022 count
Owner
State
State Highway Agency

About this bridge

I-275 NB/US19 over Bunces Pass is a prestressed concrete stringer/multi-beam or girder carrying I-275 NB/US19 over Bunces Pass in Pinellas County, Florida. It was built in 1991, so it is 34 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 32,608 vehicles a day, roughly 7% of them trucks, projected to reach 56,574 by 2044. The structure is 1,568 ft (478 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-275 NB/US19
CrossesBunces Pass
Location1.4MI N/O Sunshine Skyway
RouteInterstate 275
CountyPinellas County
StateFlorida
Coordinates27.6617, -82.67714
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20 + Mod
Structure length1,568 ft (478 m)
Longest span108 ft (32.9 m)
Deck width56 ft (17.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,608 (2022)
Projected traffic56,574 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn an Interstate toll segment under Secretarial agreement
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-275 NB/US19 over Bunces Pass built?

It was built in 1991, making it 34 years old in 2025.

What condition is I-275 NB/US19 over Bunces Pass 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-275 NB/US19 over Bunces Pass carry?

About 32,608 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is I-275 NB/US19 over Bunces Pass?

The structure is 1,568 ft (478 m) long with a longest span of 108 ft (32.9 m) and a deck 56 ft wide.

Who owns I-275 NB/US19 over Bunces Pass?

It is owned by the State Highway Agency.