US Bridges

I-375 WB over 8th & 9th ST & I-375RAMP

Good

Pinellas County, Florida · 1MI East of I-275 · Structure no. 150145

Built
1979
46 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
835 ft
10 main spans
Daily traffic
12,250
2024 count
Owner
State
State Highway Agency

About this bridge

I-375 WB over 8th & 9th ST & I-375RAMP is a prestressed concrete stringer/multi-beam or girder carrying I-375 WB over 8th & 9th ST & I-375RAMP in Pinellas County, Florida. It was built in 1979, so it is 46 years old, older 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 12,250 vehicles a day, roughly 3% of them trucks, projected to reach 21,254 by 2044. The structure is 835 ft (254.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-375 WB
Crosses8th & 9th ST & I-375RAMP
Location1MI East of I-275
RouteInterstate 375
StateFlorida
Coordinates27.77726, -82.64551
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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length835 ft (254.5 m)
Longest span105 ft (31.9 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,250 (2024)
Projected traffic21,254 by 2044
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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-375 WB over 8th & 9th ST & I-375RAMP built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-375 WB over 8th & 9th ST & I-375RAMP 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-375 WB over 8th & 9th ST & I-375RAMP carry?

About 12,250 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is I-375 WB over 8th & 9th ST & I-375RAMP?

The structure is 835 ft (254.5 m) long with a longest span of 105 ft (31.9 m) and a deck 42 ft wide.

Who owns I-375 WB over 8th & 9th ST & I-375RAMP?

It is owned by the State Highway Agency.