US Bridges

Congress Ave NB over Lwdd Lat Canal 17

Good

Palm Beach County, Florida · 0.6MI S of CR-812 · Structure no. 934332

Built
1961
64 years old, rebuilt 1984
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
13,250
2023 count
Owner
County
County Highway Agency

About this bridge

Congress Ave NB over Lwdd Lat Canal 17 is a concrete slab carrying Congress Ave NB over Lwdd Lat Canal 17 in Palm Beach County, Florida. It was built in 1961 and reconstructed in 1984, so it is 64 years old, older 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 13,250 vehicles a day, roughly 8% of them trucks, projected to reach 22,989 by 2045. The structure is 45 ft (13.7 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCongress Ave NB
CrossesLwdd Lat Canal 17
Location0.6MI S of CR-812
RouteCounty Highway 807
StateFlorida
Coordinates26.57953, -80.08961
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.5 US tons
Inventory rating43.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width53 ft (16.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,250 (2023)
Projected traffic22,989 by 2045
Trucks8%
Lanes on structure2
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 NB over Lwdd Lat Canal 17 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1984.

What condition is Congress Ave NB over Lwdd Lat Canal 17 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 June 2024.

How much traffic does Congress Ave NB over Lwdd Lat Canal 17 carry?

About 13,250 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Congress Ave NB over Lwdd Lat Canal 17?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 53 ft wide.

Who owns Congress Ave NB over Lwdd Lat Canal 17?

It is owned by the County Highway Agency.