US Bridges

Island Way over C-18 Canal

Good

Palm Beach County, Florida · 0.14MI N of Indiantown RD · Structure no. 934177

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
5 main spans
Daily traffic
7,200
2023 count
Owner
County
County Highway Agency

About this bridge

Island Way over C-18 Canal is a prestressed concrete stringer/multi-beam or girder carrying Island Way over C-18 Canal in Palm Beach County, Florida. It was built in 2009, so it is 16 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 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 2% of them trucks, projected to reach 10,800 by 2042. The structure is 260 ft (79.2 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIsland Way
CrossesC-18 Canal
Location0.14MI N of Indiantown RD
RouteCounty Highway 0
StateFlorida
Coordinates26.93611, -80.14
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length260 ft (79.2 m)
Longest span52 ft (15.8 m)
Deck width91 ft (27.8 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic10,800 by 2042
Trucks2%
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 Island Way over C-18 Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is Island Way over C-18 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 November 2023.

How much traffic does Island Way over C-18 Canal carry?

About 7,200 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Island Way over C-18 Canal?

The structure is 260 ft (79.2 m) long with a longest span of 52 ft (15.8 m) and a deck 91 ft wide.

Who owns Island Way over C-18 Canal?

It is owned by the County Highway Agency.