US Bridges

I-75 SB (SR-93) over East Hinson Slough

Fair

Collier County, Florida · 6.4MI East of SR-29 · Structure no. 030251

Built
1966
59 years old, rebuilt 1991
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
161 ft
4 main spans
Daily traffic
13,750
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 SB (SR-93) over East Hinson Slough is a prestressed concrete slab carrying I-75 SB (SR-93) over East Hinson Slough in Collier County, Florida. It was built in 1966 and reconstructed in 1991, so it is 59 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 13,750 vehicles a day, roughly 18% of them trucks, projected to reach 23,856 by 2044. The structure is 161 ft (49.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-75 SB (SR-93)
CrossesEast Hinson Slough
Location6.4MI East of SR-29
RouteInterstate 75
CountyCollier County
StateFlorida
Coordinates26.16493, -81.24509
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span40 ft (12.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,750 (2024)
Projected traffic23,856 by 2044
Trucks18%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 SB (SR-93) over East Hinson Slough built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1991.

What condition is I-75 SB (SR-93) over East Hinson Slough 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 March 2024.

How much traffic does I-75 SB (SR-93) over East Hinson Slough carry?

About 13,750 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I-75 SB (SR-93) over East Hinson Slough?

The structure is 161 ft (49.1 m) long with a longest span of 40 ft (12.3 m) and a deck 43 ft wide.

Who owns I-75 SB (SR-93) over East Hinson Slough?

It is owned by the State Highway Agency.