US Bridges

I-75 NB (SR-93) over Gilchrest Canal

Fair

Lee County, Florida · 5.2MI North of SR-78 · Structure no. 120135

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
26,750
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB (SR-93) over Gilchrest Canal is a concrete culvert carrying I-75 NB (SR-93) over Gilchrest Canal in Lee 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 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 26,750 vehicles a day, roughly 19% of them trucks, projected to reach 46,411 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-75 NB (SR-93)
CrossesGilchrest Canal
Location5.2MI North of SR-78
RouteInterstate 75
CountyLee County
StateFlorida
Coordinates26.76556, -81.87574
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating93.7 US tons
Inventory rating56.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,750 (2023)
Projected traffic46,411 by 2042
Trucks19%
Lanes on structure2
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 NB (SR-93) over Gilchrest Canal built?

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

What condition is I-75 NB (SR-93) over Gilchrest Canal 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 NB (SR-93) over Gilchrest Canal carry?

About 26,750 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I-75 NB (SR-93) over Gilchrest Canal?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.6 m).

Who owns I-75 NB (SR-93) over Gilchrest Canal?

It is owned by the State Highway Agency.