US Bridges

Seacrest Blvd. over Lwdd C-16 Boynton Canal

Good

Palm Beach County, Florida · 0.6MI North of SR-804 · Structure no. 934499

Built
1959
66 years old, rebuilt 1987
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
13,600
2023 count
Owner
County
County Highway Agency

About this bridge

Seacrest Blvd. over Lwdd C-16 Boynton Canal is a prestressed concrete slab carrying Seacrest Blvd. over Lwdd C-16 Boynton Canal in Palm Beach County, Florida. It was built in 1959 and reconstructed in 1987, 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 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 13,600 vehicles a day, roughly 8% of them trucks, projected to reach 23,956 by 2045. The structure is 150 ft (45.6 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSeacrest Blvd.
CrossesLwdd C-16 Boynton Canal
Location0.6MI North of SR-804
RouteCounty Highway 0
StateFlorida
Coordinates26.53922, -80.06445
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.9 US tons
Inventory rating50.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadH 20
Structure length150 ft (45.6 m)
Longest span30 ft (9.1 m)
Deck width82 ft (25.1 m)
Roadway width66 ft (20.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,600 (2023)
Projected traffic23,956 by 2045
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Seacrest Blvd. over Lwdd C-16 Boynton Canal built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1987.

What condition is Seacrest Blvd. over Lwdd C-16 Boynton 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 June 2024.

How much traffic does Seacrest Blvd. over Lwdd C-16 Boynton Canal carry?

About 13,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Seacrest Blvd. over Lwdd C-16 Boynton Canal?

The structure is 150 ft (45.6 m) long with a longest span of 30 ft (9.1 m) and a deck 82 ft wide.

Who owns Seacrest Blvd. over Lwdd C-16 Boynton Canal?

It is owned by the County Highway Agency.