US Bridges

South Moon Drive over I-75 (SR-93)

Good

Sarasota County, Florida · 19.5 MI S of SR-681 · Structure no. 170126

Built
1981
44 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
283 ft
4 main spans
Daily traffic
400
2025 count
Owner
State
State Highway Agency

About this bridge

South Moon Drive over I-75 (SR-93) is a prestressed concrete stringer/multi-beam or girder carrying South Moon Drive over I-75 (SR-93) in Sarasota County, Florida. It was built in 1981, so it is 44 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 694 by 2045. The structure is 283 ft (86.2 m) long and 43 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSouth Moon Drive
CrossesI-75 (SR-93)
Location19.5 MI S of SR-681
RouteCounty Highway 0
StateFlorida
Coordinates27.1113, -82.33842
Functional classRural Local

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating21.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length283 ft (86.2 m)
Longest span109 ft (33.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2025)
Projected traffic694 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

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 South Moon Drive over I-75 (SR-93) built?

It was built in 1981, making it 44 years old in 2025.

What condition is South Moon Drive over I-75 (SR-93) 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 January 2025.

How much traffic does South Moon Drive over I-75 (SR-93) carry?

About 400 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is South Moon Drive over I-75 (SR-93)?

The structure is 283 ft (86.2 m) long with a longest span of 109 ft (33.1 m) and a deck 43 ft wide.

Who owns South Moon Drive over I-75 (SR-93)?

It is owned by the State Highway Agency.