US Bridges

Corkscrew Road over Estero River

Fair

Lee County, Florida · 1MI West of I-75 · Structure no. 124121

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
20,500
2023 count
Owner
County
County Highway Agency

About this bridge

Corkscrew Road over Estero River is a concrete culvert carrying Corkscrew Road over Estero River in Lee County, Florida. It was built in 1999, so it is 26 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,500 vehicles a day, roughly 5% of them trucks, projected to reach 23,750 by 2042. The structure is 32 ft (9.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCorkscrew Road
CrossesEstero River
Location1MI West of I-75
RouteCounty Highway 850
StateFlorida
Coordinates26.43126, -81.79335
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2023)
Projected traffic23,750 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Corkscrew Road over Estero River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Corkscrew Road over Estero River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Corkscrew Road over Estero River carry?

About 20,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Corkscrew Road over Estero River?

The structure is 32 ft (9.9 m) long with a longest span of 11 ft (3.3 m).

Who owns Corkscrew Road over Estero River?

It is owned by the County Highway Agency.