US Bridges

I-275 SB (us 19) over Bunces Pass

Fair

Pinellas County, Florida · 1.4MI N/O Sunshine Skyway · Structure no. 150038

Built
1968
57 years old, rebuilt 1990
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,532 ft
1 main span
Daily traffic
32,608
2022 count
Owner
State
State Highway Agency

About this bridge

I-275 SB (us 19) over Bunces Pass is a steel stringer/multi-beam or girder carrying I-275 SB (us 19) over Bunces Pass in Pinellas County, Florida. It was built in 1968 and reconstructed in 1990, so it is 57 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 5 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 32,608 vehicles a day, roughly 7% of them trucks, projected to reach 56,574 by 2044. The structure is 1,532 ft (467.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-275 SB (us 19)
CrossesBunces Pass
Location1.4MI N/O Sunshine Skyway
RouteInterstate 275
StateFlorida
Coordinates27.66164, -82.67736
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating30.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+40 approach)
Design loadH 20
Structure length1,532 ft (467.1 m)
Longest span82 ft (25 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 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
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$375,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-275 SB (us 19) over Bunces Pass built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1990.

What condition is I-275 SB (us 19) over Bunces Pass 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 July 2023.

How much traffic does I-275 SB (us 19) over Bunces Pass carry?

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

How long is I-275 SB (us 19) over Bunces Pass?

The structure is 1,532 ft (467.1 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.

Who owns I-275 SB (us 19) over Bunces Pass?

It is owned by the State Highway Agency.