US Bridges

Congress Ave over C-15 Canal

Fair

Palm Beach County, Florida · 1.0MI S of Linton Blvd · Structure no. 934470

Built
1969
56 years old, rebuilt 1988
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
190 ft
5 main spans
Daily traffic
24,500
2023 count
Owner
County
County Highway Agency

About this bridge

Congress Ave over C-15 Canal is a prestressed concrete slab carrying Congress Ave over C-15 Canal in Palm Beach County, Florida. It was built in 1969 and reconstructed in 1988, so it is 56 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 5 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 24,500 vehicles a day, roughly 8% of them trucks, projected to reach 42,508 by 2042. The structure is 190 ft (57.9 m) long and 116 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCongress Ave
CrossesC-15 Canal
Location1.0MI S of Linton Blvd
RouteCounty Highway 807
StateFlorida
Coordinates26.42457, -80.0923
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span38 ft (11.6 m)
Deck width116 ft (35.5 m)
Roadway width94 ft (28.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,500 (2023)
Projected traffic42,508 by 2042
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Congress Ave over C-15 Canal built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1988.

What condition is Congress Ave over C-15 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 April 2024.

How much traffic does Congress Ave over C-15 Canal carry?

About 24,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Congress Ave over C-15 Canal?

The structure is 190 ft (57.9 m) long with a longest span of 38 ft (11.6 m) and a deck 116 ft wide.

Who owns Congress Ave over C-15 Canal?

It is owned by the County Highway Agency.