US Bridges

Winterberry Drive over Roberts Bay

Good

Collier County, Florida · 0.2 Mi. W/O S Barfield DR · Structure no. 036003

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
1,275
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Winterberry Drive over Roberts Bay is a prestressed concrete slab carrying Winterberry Drive over Roberts Bay in Collier 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 1,275 vehicles a day, roughly 3% of them trucks, projected to reach 1,594 by 2041. The structure is 121 ft (36.8 m) long and 65 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesWinterberry Drive
CrossesRoberts Bay
Location0.2 Mi. W/O S Barfield DR
RouteCity Street 0
CountyCollier County
StateFlorida
Coordinates25.92592, -81.70288
Functional classUrban 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating46.4 US tons
Inventory rating33.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length121 ft (36.8 m)
Longest span39 ft (11.8 m)
Deck width65 ft (19.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,275 (2021)
Projected traffic1,594 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Winterberry Drive over Roberts Bay built?

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

What condition is Winterberry Drive over Roberts Bay 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 March 2023.

How much traffic does Winterberry Drive over Roberts Bay carry?

About 1,275 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Winterberry Drive over Roberts Bay?

The structure is 121 ft (36.8 m) long with a longest span of 39 ft (11.8 m) and a deck 65 ft wide.

Who owns Winterberry Drive over Roberts Bay?

It is owned by the City or Municipal Highway Agency.