US Bridges

Congress Ave over Boynton Canal C-16

Good

Palm Beach County, Florida · 0.8MI North of CR-804 · Structure no. 934491

Built
1982
43 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
40,500
2023 count
Owner
County
County Highway Agency

About this bridge

Congress Ave over Boynton Canal C-16 is a prestressed concrete slab carrying Congress Ave over Boynton Canal C-16 in Palm Beach County, Florida. It was built in 1982, so it is 43 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 40,500 vehicles a day, roughly 8% of them trucks, projected to reach 70,268 by 2045. The structure is 126 ft (38.4 m) long and 117 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCongress Ave
CrossesBoynton Canal C-16
Location0.8MI North of CR-804
RouteCounty Highway 807
StateFlorida
Coordinates26.53933, -80.09071
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span42 ft (12.8 m)
Deck width117 ft (35.6 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,500 (2023)
Projected traffic70,268 by 2045
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 Boynton Canal C-16 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Congress Ave over Boynton Canal C-16 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 over Boynton Canal C-16 carry?

About 40,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Congress Ave over Boynton Canal C-16?

The structure is 126 ft (38.4 m) long with a longest span of 42 ft (12.8 m) and a deck 117 ft wide.

Who owns Congress Ave over Boynton Canal C-16?

It is owned by the County Highway Agency.