US Bridges

Royal Palm Bch Blv over Relief Canal

Good

Palm Beach County, Florida · 1.3MI N of SR-80 · Structure no. 937351

Built
1972
53 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
7,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Royal Palm Bch Blv over Relief Canal is a prestressed concrete slab carrying Royal Palm Bch Blv over Relief Canal in Palm Beach County, Florida. It was built in 1972, so it is 53 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 7,200 vehicles a day, roughly 5% of them trucks, projected to reach 12,492 by 2042. The structure is 70 ft (21.4 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoyal Palm Bch Blv
CrossesRelief Canal
Location1.3MI N of SR-80
RouteCity Street 0
StateFlorida
Coordinates26.69872, -80.22959
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
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 rating57 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length70 ft (21.4 m)
Longest span35 ft (10.7 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic12,492 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Royal Palm Bch Blv over Relief Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Royal Palm Bch Blv over Relief 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 July 2023.

How much traffic does Royal Palm Bch Blv over Relief Canal carry?

About 7,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Royal Palm Bch Blv over Relief Canal?

The structure is 70 ft (21.4 m) long with a longest span of 35 ft (10.7 m) and a deck 38 ft wide.

Who owns Royal Palm Bch Blv over Relief Canal?

It is owned by the City or Municipal Highway Agency.