US Bridges

Troon DR over Atlantis Waterway

Good

Palm Beach County, Florida · 150FT S of N Cntry Clbdr · Structure no. 935002

Built
1962
63 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
47 ft
3 main spans
Daily traffic
1,040
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Troon DR over Atlantis Waterway is a concrete slab carrying Troon DR over Atlantis Waterway in Palm Beach County, Florida. It was built in 1962, so it is 63 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 1,040 vehicles a day, roughly 2% of them trucks, projected to reach 1,735 by 2042. The structure is 47 ft (14.3 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTroon DR
CrossesAtlantis Waterway
Location150FT S of N Cntry Clbdr
RouteCity Street 0
StateFlorida
Coordinates26.59626, -80.10926
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length47 ft (14.3 m)
Longest span16 ft (4.9 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,040 (2023)
Projected traffic1,735 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Troon DR over Atlantis Waterway built?

It was built in 1962, making it 63 years old in 2025.

What condition is Troon DR over Atlantis Waterway 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 2023.

How much traffic does Troon DR over Atlantis Waterway carry?

About 1,040 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Troon DR over Atlantis Waterway?

The structure is 47 ft (14.3 m) long with a longest span of 16 ft (4.9 m) and a deck 37 ft wide.

Who owns Troon DR over Atlantis Waterway?

It is owned by the City or Municipal Highway Agency.