US Bridges

WB SR-710 over C-18 Canal

Fair

Palm Beach County, Florida · 3 Miles West of SR-786 · Structure no. 930362

Built
1988
37 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
7,200
2024 count
Owner
State
State Highway Agency

About this bridge

WB SR-710 over C-18 Canal is a concrete continuous slab carrying WB SR-710 over C-18 Canal in Palm Beach County, Florida. It was built in 1988, so it is 37 years old, younger 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 7,200 vehicles a day, roughly 22% of them trucks, projected to reach 12,492 by 2044. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWB SR-710
CrossesC-18 Canal
Location3 Miles West of SR-786
RouteState Highway 710
StateFlorida
Coordinates26.87229, -80.24552
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span33 ft (10.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2024)
Projected traffic12,492 by 2044
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-710 over C-18 Canal built?

It was built in 1988, making it 37 years old in 2025.

What condition is WB SR-710 over C-18 Canal 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 May 2024.

How much traffic does WB SR-710 over C-18 Canal carry?

About 7,200 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is WB SR-710 over C-18 Canal?

The structure is 120 ft (36.6 m) long with a longest span of 33 ft (10.1 m) and a deck 43 ft wide.

Who owns WB SR-710 over C-18 Canal?

It is owned by the State Highway Agency.