US Bridges

NW 5th Street over Hillsboro L-14 Canal

PoorPosted for load

Palm Beach County, Florida · 0.4 MI W of SR-7 (US-441) · Structure no. 930030

Built
1964
61 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
1 main span
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 5th Street over Hillsboro L-14 Canal is a steel stringer/multi-beam or girder carrying NW 5th Street over Hillsboro L-14 Canal in Palm Beach County, Florida. It was built in 1964, so it is 61 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 3,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,205 by 2045. The structure is 143 ft (43.5 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 5th Street
CrossesHillsboro L-14 Canal
Location0.4 MI W of SR-7 (US-441)
RouteCity Street 0
StateFlorida
Coordinates26.68857, -80.67288
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1 (+4 approach)
Design loadH 15
Structure length143 ft (43.5 m)
Longest span38 ft (11.6 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic5,205 by 2045
Trucks2%
Lanes on structure2
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NW 5th Street over Hillsboro L-14 Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is NW 5th Street over Hillsboro L-14 Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does NW 5th Street over Hillsboro L-14 Canal carry?

About 3,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is NW 5th Street over Hillsboro L-14 Canal?

The structure is 143 ft (43.5 m) long with a longest span of 38 ft (11.6 m) and a deck 38 ft wide.

Who owns NW 5th Street over Hillsboro L-14 Canal?

It is owned by the City or Municipal Highway Agency.