US Bridges

Royal Plm Bh Bl SB over Relief Canal

Good

Palm Beach County, Florida · 0.3M N of Okeechobee Blv · Structure no. 937362

Built
1984
41 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
3,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Royal Plm Bh Bl SB over Relief Canal is a prestressed concrete slab carrying Royal Plm Bh Bl SB over Relief Canal in Palm Beach County, Florida. It was built in 1984, so it is 41 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,600 vehicles a day, roughly 3% of them trucks, projected to reach 4,320 by 2042. The structure is 70 ft (21.3 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoyal Plm Bh Bl SB
CrossesRelief Canal
Location0.3M N of Okeechobee Blv
RouteCity Street 0
CountyPalm Beach County
StateFlorida
Coordinates26.71051, -80.22906
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 rating29.9 US tons
Inventory rating25.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic4,320 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Plm Bh Bl SB over Relief Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is Royal Plm Bh Bl SB 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 Plm Bh Bl SB over Relief Canal carry?

About 3,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Royal Plm Bh Bl SB over Relief Canal?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 37 ft wide.

Who owns Royal Plm Bh Bl SB over Relief Canal?

It is owned by the City or Municipal Highway Agency.