US Bridges

I-75 NB (SR-93) over Golden Gate Canal

Good

Collier County, Florida · 0.5MI South of CR-886 · Structure no. 030198

Built
1984
41 years old, rebuilt 2016
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
237 ft
5 main spans
Daily traffic
45,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB (SR-93) over Golden Gate Canal is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB (SR-93) over Golden Gate Canal in Collier County, Florida. It was built in 1984 and reconstructed in 2016, so it is 41 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45,500 vehicles a day, roughly 14% of them trucks, projected to reach 79,029 by 2042. The structure is 237 ft (72.3 m) long and 59 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)
CrossesGolden Gate Canal
Location0.5MI South of CR-886
RouteInterstate 75
CountyCollier County
StateFlorida
Coordinates26.16848, -81.72982
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating50 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length237 ft (72.3 m)
Longest span48 ft (14.6 m)
Deck width59 ft (18 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,500 (2023)
Projected traffic79,029 by 2042
Trucks14%
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 NB (SR-93) over Golden Gate Canal built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2016.

What condition is I-75 NB (SR-93) over Golden Gate Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does I-75 NB (SR-93) over Golden Gate Canal carry?

About 45,500 vehicles per day (2023 count), of which roughly 14% are trucks.

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

The structure is 237 ft (72.3 m) long with a longest span of 48 ft (14.6 m) and a deck 59 ft wide.

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

It is owned by the State Highway Agency.