US Bridges

WB N. Lake Blvd. over North Lake

Fair

Palm Beach County, Florida · 1MI. West of US-1 · Structure no. 930195

Built
1959
66 years old, rebuilt 1989
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
100 ft
5 main spans
Daily traffic
18,000
2024 count
Owner
County
County Highway Agency

About this bridge

WB N. Lake Blvd. over North Lake is a prestressed concrete slab carrying WB N. Lake Blvd. over North Lake in Palm Beach County, Florida. It was built in 1959 and reconstructed in 1989, so it is 66 years old, older 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 18,000 vehicles a day, roughly 3% of them trucks, projected to reach 31,230 by 2044. The structure is 100 ft (30.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWB N. Lake Blvd.
CrossesNorth Lake
Location1MI. West of US-1
RouteState Highway 850
StateFlorida
Coordinates26.80786, -80.06701
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width47 ft (14.3 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2024)
Projected traffic31,230 by 2044
Trucks3%
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 WB N. Lake Blvd. over North Lake built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1989.

What condition is WB N. Lake Blvd. over North Lake 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 2024.

How much traffic does WB N. Lake Blvd. over North Lake carry?

About 18,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is WB N. Lake Blvd. over North Lake?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.

Who owns WB N. Lake Blvd. over North Lake?

It is owned by the County Highway Agency.