US Bridges

SR-739 over Six Mile Cypress Slough

Good

Lee County, Florida · 0.7MI South of SR 865 · Structure no. 120181

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
33,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-739 over Six Mile Cypress Slough is a concrete culvert carrying SR-739 over Six Mile Cypress Slough in Lee 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 33,500 vehicles a day, roughly 8% of them trucks, projected to reach 58,122 by 2044. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 4.3 mi (7 km).

CarriesSR-739
CrossesSix Mile Cypress Slough
Location0.7MI South of SR 865
RouteState Highway 739
StateFlorida
Coordinates26.51863, -81.8536
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic33,500 (2024)
Projected traffic58,122 by 2044
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-739 over Six Mile Cypress Slough built?

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

What condition is SR-739 over Six Mile Cypress 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 October 2024.

How much traffic does SR-739 over Six Mile Cypress Slough carry?

About 33,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR-739 over Six Mile Cypress Slough?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.3 m).

Who owns SR-739 over Six Mile Cypress Slough?

It is owned by the State Highway Agency.