US Bridges

4th Street Ramp over I -275 (SR-93)

Good

Pinellas County, Florida · 1.9MI NE of SR-686 · Structure no. 150314

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
546 ft
2 main spans
Daily traffic
8,600
2024 count
Owner
State
State Highway Agency

About this bridge

4th Street Ramp over I -275 (SR-93) is a steel stringer/multi-beam or girder carrying 4th Street Ramp over I -275 (SR-93) in Pinellas County, Florida. It was built in 2023, so it is 2 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 8,600 vehicles a day, projected to reach 10,750 by 2044. The structure is 546 ft (166.4 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries4th Street Ramp
CrossesI -275 (SR-93)
Location1.9MI NE of SR-686
RouteInterstate 0
CountyPinellas County
StateFlorida
Coordinates27.90024, -82.6389
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 alignment6: Equal to present minimum criteria
Operating rating53.4 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length546 ft (166.4 m)
Longest span292 ft (89 m)
Deck width43 ft (13.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic8,600 (2024)
Projected traffic10,750 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4th Street Ramp over I -275 (SR-93) built?

It was built in 2023, making it 2 years old in 2025.

What condition is 4th Street Ramp over I -275 (SR-93) 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 March 2024.

How much traffic does 4th Street Ramp over I -275 (SR-93) carry?

About 8,600 vehicles per day (2024 count).

How long is 4th Street Ramp over I -275 (SR-93)?

The structure is 546 ft (166.4 m) long with a longest span of 292 ft (89 m) and a deck 43 ft wide.

Who owns 4th Street Ramp over I -275 (SR-93)?

It is owned by the State Highway Agency.