US Bridges

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

Good

Collier County, Florida · 7MI E of Toll Plz MM93.2 · Structure no. 030001

Built
1966
59 years old, rebuilt 1990
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
14,261
2022 count
Owner
State
State Highway Agency

About this bridge

I-75 (SR-93) SB over Golden Gate Canal is a prestressed concrete slab carrying I-75 (SR-93) SB over Golden Gate Canal in Collier County, Florida. It was built in 1966 and reconstructed in 1990, 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 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 14,261 vehicles a day, roughly 13% of them trucks, projected to reach 24,742 by 2044. The structure is 90 ft (27.4 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 (SR-93) SB
CrossesGolden Gate Canal
Location7MI E of Toll Plz MM93.2
RouteInterstate 75
CountyCollier County
StateFlorida
Coordinates26.15281, -81.55506
Functional classRural 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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,261 (2022)
Projected traffic24,742 by 2044
Trucks13%
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 (SR-93) SB over Golden Gate Canal built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1990.

What condition is I-75 (SR-93) SB 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 (SR-93) SB over Golden Gate Canal carry?

About 14,261 vehicles per day (2022 count), of which roughly 13% are trucks.

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

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

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

It is owned by the State Highway Agency.