US Bridges

Palm B Lake Bvd EB over Lake Mangonia Canal

Good

Palm Beach County, Florida · 0.6MI W of Australian Ave · Structure no. 937706

Built
1967
58 years old, rebuilt 1980
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
19,750
2023 count
Owner
County
County Highway Agency

About this bridge

Palm B Lake Bvd EB over Lake Mangonia Canal is a prestressed concrete slab carrying Palm B Lake Bvd EB over Lake Mangonia Canal in Palm Beach County, Florida. It was built in 1967 and reconstructed in 1980, so it is 58 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 19,750 vehicles a day, roughly 7% of them trucks, projected to reach 34,266 by 2045. The structure is 75 ft (22.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPalm B Lake Bvd EB
CrossesLake Mangonia Canal
Location0.6MI W of Australian Ave
RouteCounty Highway 0
StateFlorida
Coordinates26.72496, -80.07739
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,750 (2023)
Projected traffic34,266 by 2045
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Palm B Lake Bvd EB over Lake Mangonia Canal built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1980.

What condition is Palm B Lake Bvd EB over Lake Mangonia Canal 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 May 2024.

How much traffic does Palm B Lake Bvd EB over Lake Mangonia Canal carry?

About 19,750 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Palm B Lake Bvd EB over Lake Mangonia Canal?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 52 ft wide.

Who owns Palm B Lake Bvd EB over Lake Mangonia Canal?

It is owned by the County Highway Agency.