US Bridges

I-75 over US-27

Fair

Marion County, Florida · I-75 SB over US-27 · Structure no. 360022

Built
1964
61 years old, rebuilt 2000
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
189 ft
4 main spans
Daily traffic
47,750
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 over US-27 is a prestressed concrete stringer/multi-beam or girder carrying I-75 over US-27 in Marion County, Florida. It was built in 1964 and reconstructed in 2000, so it is 61 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 47,750 vehicles a day, roughly 28% of them trucks, projected to reach 82,847 by 2045. The structure is 189 ft (57.7 m) long and 59 ft wide.

CarriesI-75
CrossesUS-27
LocationI-75 SB over US-27
RouteInterstate 75
StateFlorida
Coordinates29.20646, -82.18468
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length189 ft (57.7 m)
Longest span53 ft (16.2 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic47,750 (2023)
Projected traffic82,847 by 2045
Trucks28%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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-75 over US-27 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2000.

What condition is I-75 over US-27 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 May 2023.

How much traffic does I-75 over US-27 carry?

About 47,750 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I-75 over US-27?

The structure is 189 ft (57.7 m) long with a longest span of 53 ft (16.2 m) and a deck 59 ft wide.

Who owns I-75 over US-27?

It is owned by the State Highway Agency.