US Bridges

Old Boynton Road over E-4 Canal

Good

Palm Beach County, Florida · 0.4MI. East of Congress a · Structure no. 934981

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
18,500
2024 count
Owner
County
County Highway Agency

About this bridge

Old Boynton Road over E-4 Canal is a prestressed concrete stringer/multi-beam or girder carrying Old Boynton Road over E-4 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 18,500 vehicles a day, roughly 3% of them trucks, projected to reach 32,098 by 2044. The structure is 67 ft (20.3 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Boynton Road
CrossesE-4 Canal
Location0.4MI. East of Congress a
RouteCounty Highway 0
StateFlorida
Coordinates26.53175, -80.08417
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length67 ft (20.3 m)
Longest span67 ft (20.3 m)
Deck width60 ft (18.4 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2024)
Projected traffic32,098 by 2044
Trucks3%
Lanes on structure3
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 Old Boynton Road over E-4 Canal built?

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

What condition is Old Boynton Road over E-4 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 February 2024.

How much traffic does Old Boynton Road over E-4 Canal carry?

About 18,500 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Old Boynton Road over E-4 Canal?

The structure is 67 ft (20.3 m) long with a longest span of 67 ft (20.3 m) and a deck 60 ft wide.

Who owns Old Boynton Road over E-4 Canal?

It is owned by the County Highway Agency.