US Bridges

Private Road over Hillsboro Canal

Good

Palm Beach County, Florida · 1.0 MI W of Nob Hill Road · Structure no. 930812

Built
1960
65 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
78 ft
3 main spans
Daily traffic
100
2024 count
Owner
State
Other State Agency

About this bridge

Private Road over Hillsboro Canal is a prestressed concrete slab carrying Private Road over Hillsboro Canal in Palm Beach County, Florida. It was built in 1960, so it is 65 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 100 vehicles a day, projected to reach 120 by 2046. The structure is 78 ft (23.7 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPrivate Road
CrossesHillsboro Canal
Location1.0 MI W of Nob Hill Road
StateFlorida
Coordinates26.35161, -80.2832
Functional classRural Local

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating28.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length78 ft (23.7 m)
Longest span26 ft (8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2024)
Projected traffic120 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Private Road over Hillsboro Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is Private Road over Hillsboro 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 December 2024.

How much traffic does Private Road over Hillsboro Canal carry?

About 100 vehicles per day (2024 count).

How long is Private Road over Hillsboro Canal?

The structure is 78 ft (23.7 m) long with a longest span of 26 ft (8 m) and a deck 28 ft wide.

Who owns Private Road over Hillsboro Canal?

It is owned by the Other State Agency.