US Bridges

SR-15 Main St. over Hillsboro Canal L14

Good

Palm Beach County, Florida · At East Canal St. · Structure no. 930338

Built
1976
49 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
21,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR-15 Main St. over Hillsboro Canal L14 is a steel stringer/multi-beam or girder carrying SR-15 Main St. over Hillsboro Canal L14 in Palm Beach County, Florida. It was built in 1976, so it is 49 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 21,000 vehicles a day, roughly 15% of them trucks, projected to reach 36,435 by 2044. The structure is 74 ft (22.6 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-15 Main St.
CrossesHillsboro Canal L14
LocationAt East Canal St.
RouteState Highway 15
CountyPalm Beach County
StateFlorida
Coordinates26.68618, -80.67781
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1 (+2 approach)
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span38 ft (11.6 m)
Deck width81 ft (24.8 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2024)
Projected traffic36,435 by 2044
Trucks15%
Lanes on structure5
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

OwnerState Highway Agency
Maintained byState 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 SR-15 Main St. over Hillsboro Canal L14 built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR-15 Main St. over Hillsboro Canal L14 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 May 2024.

How much traffic does SR-15 Main St. over Hillsboro Canal L14 carry?

About 21,000 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR-15 Main St. over Hillsboro Canal L14?

The structure is 74 ft (22.6 m) long with a longest span of 38 ft (11.6 m) and a deck 81 ft wide.

Who owns SR-15 Main St. over Hillsboro Canal L14?

It is owned by the State Highway Agency.