US Bridges

I-75 (SR-93) SB over Cowpen Slough

Good

Sarasota County, Florida · 2.5MI S of SR-681 · Structure no. 170178

Built
2012
13 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
3 main spans
Daily traffic
46,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-75 (SR-93) SB over Cowpen Slough is a prestressed concrete stringer/multi-beam or girder carrying I-75 (SR-93) SB over Cowpen Slough in Sarasota County, Florida. It was built in 2012, so it is 13 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 46,500 vehicles a day, roughly 11% of them trucks, projected to reach 80,678 by 2044. The structure is 255 ft (77.7 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 (SR-93) SB
CrossesCowpen Slough
Location2.5MI S of SR-681
RouteInterstate 75
CountySarasota County
StateFlorida
Coordinates27.15566, -82.42364
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length255 ft (77.7 m)
Longest span85 ft (25.9 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,500 (2022)
Projected traffic80,678 by 2044
Trucks11%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 (SR-93) SB over Cowpen Slough built?

It was built in 2012, making it 13 years old in 2025.

What condition is I-75 (SR-93) SB over Cowpen Slough 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 (SR-93) SB over Cowpen Slough carry?

About 46,500 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is I-75 (SR-93) SB over Cowpen Slough?

The structure is 255 ft (77.7 m) long with a longest span of 85 ft (25.9 m) and a deck 59 ft wide.

Who owns I-75 (SR-93) SB over Cowpen Slough?

It is owned by the State Highway Agency.