US Bridges

I-75 NB (SR-93) over Salt Creek

Good

Sarasota County, Florida · 1.1 MI N of SR-762 · Structure no. 170108

Built
1979
46 years old, rebuilt 2012
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
330 ft
5 main spans
Daily traffic
46,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB (SR-93) over Salt Creek is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB (SR-93) over Salt Creek in Sarasota County, Florida. It was built in 1979 and reconstructed in 2012, 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 46,500 vehicles a day, roughly 11% of them trucks, projected to reach 80,678 by 2042. The structure is 330 ft (100.6 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-75 NB (SR-93)
CrossesSalt Creek
Location1.1 MI N of SR-762
RouteInterstate 75
StateFlorida
Coordinates27.14925, -82.41683
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length330 ft (100.6 m)
Longest span66 ft (20.1 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,500 (2023)
Projected traffic80,678 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 NB (SR-93) over Salt Creek built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2012.

What condition is I-75 NB (SR-93) over Salt Creek 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 December 2023.

How much traffic does I-75 NB (SR-93) over Salt Creek carry?

About 46,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-75 NB (SR-93) over Salt Creek?

The structure is 330 ft (100.6 m) long with a longest span of 66 ft (20.1 m) and a deck 59 ft wide.

Who owns I-75 NB (SR-93) over Salt Creek?

It is owned by the State Highway Agency.