US Bridges

Congress Ave SB over Lwdd Lateral 30 Canal

Fair

Palm Beach County, Florida · 0.8 MI N of Lake Ida Road · Structure no. 934931

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
15,250
2023 count
Owner
County
County Highway Agency

About this bridge

Congress Ave SB over Lwdd Lateral 30 Canal is a prestressed concrete slab carrying Congress Ave SB over Lwdd Lateral 30 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 15,250 vehicles a day, roughly 9% of them trucks, projected to reach 26,459 by 2045. The structure is 120 ft (36.5 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCongress Ave SB
CrossesLwdd Lateral 30 Canal
Location0.8 MI N of Lake Ida Road
RouteCounty Highway 807
StateFlorida
Coordinates26.4838, -80.08996
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length120 ft (36.5 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2023)
Projected traffic26,459 by 2045
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 SB over Lwdd Lateral 30 Canal built?

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

What condition is Congress Ave SB over Lwdd Lateral 30 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 August 2024.

How much traffic does Congress Ave SB over Lwdd Lateral 30 Canal carry?

About 15,250 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Congress Ave SB over Lwdd Lateral 30 Canal?

The structure is 120 ft (36.5 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns Congress Ave SB over Lwdd Lateral 30 Canal?

It is owned by the County Highway Agency.