US Bridges

Kirk Road over Wpb Canal C-51

Fair

Palm Beach County, Florida · At SR-80 Southern Blvd · Structure no. 934751

Built
2007
18 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
14,500
2023 count
Owner
County
County Highway Agency

About this bridge

Kirk Road over Wpb Canal C-51 is a steel stringer/multi-beam or girder carrying Kirk Road over Wpb Canal C-51 in Palm Beach County, Florida. It was built in 2007, so it is 18 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,500 vehicles a day, roughly 8% of them trucks, projected to reach 25,158 by 2044. The structure is 149 ft (45.3 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKirk Road
CrossesWpb Canal C-51
LocationAt SR-80 Southern Blvd
RouteCounty Highway 0
CountyPalm Beach County
StateFlorida
Coordinates26.67694, -80.10383
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.3 m)
Longest span50 ft (15.1 m)
Deck width85 ft (26 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deck18 ft (5.3 m)

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic25,158 by 2044
Trucks8%
Lanes on structure5
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 Kirk Road over Wpb Canal C-51 built?

It was built in 2007, making it 18 years old in 2025.

What condition is Kirk Road over Wpb Canal C-51 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Kirk Road over Wpb Canal C-51 carry?

About 14,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Kirk Road over Wpb Canal C-51?

The structure is 149 ft (45.3 m) long with a longest span of 50 ft (15.1 m) and a deck 85 ft wide.

Who owns Kirk Road over Wpb Canal C-51?

It is owned by the County Highway Agency.