US Bridges

Sanibel-Captiva RD over Clam-Dinkins Bayou

Good

Lee County, Florida · 0.5MI W of Wulfert Rd. · Structure no. 126506

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
5,760
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sanibel-Captiva RD over Clam-Dinkins Bayou is a concrete culvert carrying Sanibel-Captiva RD over Clam-Dinkins Bayou in Lee County, Florida. It was built in 2008, so it is 17 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 5,760 vehicles a day, roughly 2% of them trucks, projected to reach 6,912 by 2042. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSanibel-Captiva RD
CrossesClam-Dinkins Bayou
Location0.5MI W of Wulfert Rd.
RouteCity Street 0
StateFlorida
Coordinates26.47181, -82.16462
Functional classRural Major Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating26.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length31 ft (9.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic5,760 (2023)
Projected traffic6,912 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sanibel-Captiva RD over Clam-Dinkins Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is Sanibel-Captiva RD over Clam-Dinkins Bayou 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 July 2023.

How much traffic does Sanibel-Captiva RD over Clam-Dinkins Bayou carry?

About 5,760 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sanibel-Captiva RD over Clam-Dinkins Bayou?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3.2 m).

Who owns Sanibel-Captiva RD over Clam-Dinkins Bayou?

It is owned by the City or Municipal Highway Agency.