US Bridges

EB SR-710 over C-18 Canal

Fair

Palm Beach County, Florida · 3.0 MI West of SR-786 · Structure no. 930120

Built
1957
68 years old, rebuilt 1988
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
7,200
2024 count
Owner
State
State Highway Agency

About this bridge

EB SR-710 over C-18 Canal is a concrete slab carrying EB SR-710 over C-18 Canal in Palm Beach County, Florida. It was built in 1957 and reconstructed in 1988, so it is 68 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 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 1.2 mi (2 km).

Location

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CarriesEB SR-710
CrossesC-18 Canal
Location3.0 MI West of SR-786
RouteState Highway 710
CountyPalm Beach County
StateFlorida
Coordinates26.87216, -80.24566
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating63.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 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 closed1.2 mi (2 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 EB SR-710 over C-18 Canal built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1988.

What condition is EB 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 EB SR-710 over C-18 Canal carry?

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

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

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

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

It is owned by the State Highway Agency.