US Bridges

Lyons Road over Boynton Canal

Good

Palm Beach County, Florida · 0.7MI N of Boynton Bch Bl · Structure no. 934953

Built
1999
26 years old, rebuilt 2005
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
108 ft
3 main spans
Daily traffic
1,000
2024 count
Owner
County
County Highway Agency

About this bridge

Lyons Road over Boynton Canal is a prestressed concrete slab carrying Lyons Road over Boynton Canal in Palm Beach County, Florida. It was built in 1999 and reconstructed in 2005, so it is 26 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,800 by 2042. The structure is 108 ft (33 m) long and 112 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLyons Road
CrossesBoynton Canal
Location0.7MI N of Boynton Bch Bl
RouteCounty Highway 0
StateFlorida
Coordinates26.53881, -80.18869
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length108 ft (33 m)
Longest span36 ft (11 m)
Deck width112 ft (34.1 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,800 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Lyons Road over Boynton Canal built?

It was built in 1999, making it 26 years old in 2025. It was reconstructed in 2005.

What condition is Lyons Road over Boynton 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 January 2024.

How much traffic does Lyons Road over Boynton Canal carry?

About 1,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lyons Road over Boynton Canal?

The structure is 108 ft (33 m) long with a longest span of 36 ft (11 m) and a deck 112 ft wide.

Who owns Lyons Road over Boynton Canal?

It is owned by the County Highway Agency.