US Bridges

Lyons Road over C-51 Canal

Good

Palm Beach County, Florida · Lyons Road South of SR-80 · Structure no. 934731

Built
2004
21 years old, rebuilt 2020
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
153 ft
5 main spans
Daily traffic
15,300
2023 count
Owner
County
County Highway Agency

About this bridge

Lyons Road over C-51 Canal is a prestressed concrete slab carrying Lyons Road over C-51 Canal in Palm Beach County, Florida. It was built in 2004 and reconstructed in 2020, so it is 21 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 15,300 vehicles a day, roughly 8% of them trucks, projected to reach 26,545 by 2045. The structure is 153 ft (46.5 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLyons Road
CrossesC-51 Canal
LocationLyons Road South of SR-80
RouteCounty Highway 0
StateFlorida
Coordinates26.67938, -80.18421
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length153 ft (46.5 m)
Longest span31 ft (9.3 m)
Deck width121 ft (36.9 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,300 (2023)
Projected traffic26,545 by 2045
Trucks8%
Lanes on structure4
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 Lyons Road over C-51 Canal built?

It was built in 2004, making it 21 years old in 2025. It was reconstructed in 2020.

What condition is Lyons Road over C-51 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 Lyons Road over C-51 Canal carry?

About 15,300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Lyons Road over C-51 Canal?

The structure is 153 ft (46.5 m) long with a longest span of 31 ft (9.3 m) and a deck 121 ft wide.

Who owns Lyons Road over C-51 Canal?

It is owned by the County Highway Agency.