US Bridges

I-75 SB (sr 93) over Stokes Head Slough

Fair

Lee County, Florida · 1.0 Mi. S of Corkscrew RD · Structure no. 120149

Built
1980
45 years old, rebuilt 2009
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
54,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 SB (sr 93) over Stokes Head Slough is a concrete culvert carrying I-75 SB (sr 93) over Stokes Head Slough in Lee County, Florida. It was built in 1980 and reconstructed in 2009, 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 54,000 vehicles a day, roughly 11% of them trucks, projected to reach 93,690 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-75 SB (sr 93)
CrossesStokes Head Slough
Location1.0 Mi. S of Corkscrew RD
RouteInterstate 75
CountyLee County
StateFlorida
Coordinates26.4174, -81.77361
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,000 (2023)
Projected traffic93,690 by 2042
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 SB (sr 93) over Stokes Head Slough built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2009.

What condition is I-75 SB (sr 93) over Stokes Head 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 April 2023.

How much traffic does I-75 SB (sr 93) over Stokes Head Slough carry?

About 54,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-75 SB (sr 93) over Stokes Head Slough?

The structure is 26 ft (7.9 m) long with a longest span of 9 ft (2.7 m).

Who owns I-75 SB (sr 93) over Stokes Head Slough?

It is owned by the State Highway Agency.