US Bridges

I-75 SB (SR-93) over SR-78 (bayshore Rd.)

Good

Lee County, Florida · 1.5MI N/O Caloosahatchee · Structure no. 120112

Built
1979
46 years old, rebuilt 2014
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
217 ft
3 main spans
Daily traffic
47,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-75 SB (SR-93) over SR-78 (bayshore Rd.) is a steel stringer/multi-beam or girder carrying I-75 SB (SR-93) over SR-78 (bayshore Rd.) in Lee County, Florida. It was built in 1979 and reconstructed in 2014, 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 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 47,250 vehicles a day, roughly 16% of them trucks, projected to reach 81,979 by 2044. The structure is 217 ft (66.1 m) long and 59 ft wide.

Location

Open in Google Maps
CarriesI-75 SB (SR-93)
CrossesSR-78 (bayshore Rd.)
Location1.5MI N/O Caloosahatchee
RouteInterstate 75
CountyLee County
StateFlorida
Coordinates26.71503, -81.81191
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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length217 ft (66.1 m)
Longest span128 ft (39 m)
Deck width59 ft (17.9 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,250 (2022)
Projected traffic81,979 by 2044
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 SB (SR-93) over SR-78 (bayshore Rd.) built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2014.

What condition is I-75 SB (SR-93) over SR-78 (bayshore Rd.) 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 May 2024.

How much traffic does I-75 SB (SR-93) over SR-78 (bayshore Rd.) carry?

About 47,250 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I-75 SB (SR-93) over SR-78 (bayshore Rd.)?

The structure is 217 ft (66.1 m) long with a longest span of 128 ft (39 m) and a deck 59 ft wide.

Who owns I-75 SB (SR-93) over SR-78 (bayshore Rd.)?

It is owned by the State Highway Agency.