US Bridges

I-75 NB (SR-93) over US-301/ Manatee River

Fair

Manatee County, Florida · 3.5 MI North of SR-64 · Structure no. 130104

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
3,825 ft
41 main spans
Daily traffic
60,250
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB (SR-93) over US-301/ Manatee River is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB (SR-93) over US-301/ Manatee River in Manatee County, Florida. It was built in 1980, so it is 45 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 6 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 60,250 vehicles a day, roughly 13% of them trucks, projected to reach 104,534 by 2042. The structure is 3,825 ft (1,165.8 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-75 NB (SR-93)
CrossesUS-301/ Manatee River
Location3.5 MI North of SR-64
RouteInterstate 75
CountyManatee County
StateFlorida
Coordinates27.52541, -82.50617
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans41
Design loadHS 20
Structure length3,825 ft (1,165.8 m)
Longest span110 ft (33.5 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,250 (2023)
Projected traffic104,534 by 2042
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-75 NB (SR-93) over US-301/ Manatee River built?

It was built in 1980, making it 45 years old in 2025.

What condition is I-75 NB (SR-93) over US-301/ Manatee River 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 November 2023.

How much traffic does I-75 NB (SR-93) over US-301/ Manatee River carry?

About 60,250 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I-75 NB (SR-93) over US-301/ Manatee River?

The structure is 3,825 ft (1,165.8 m) long with a longest span of 110 ft (33.5 m) and a deck 58 ft wide.

Who owns I-75 NB (SR-93) over US-301/ Manatee River?

It is owned by the State Highway Agency.