US Bridges

Sparrow Drive over CPB20 Canal

Good

Palm Beach County, Florida · 0.3MI W of Ryl Palm Bh Bl · Structure no. 937360

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
114 ft
3 main spans
Daily traffic
1,050
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sparrow Drive over CPB20 Canal is a prestressed concrete slab carrying Sparrow Drive over CPB20 Canal in Palm Beach County, Florida. It was built in 1978, so it is 47 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 1,050 vehicles a day, roughly 2% of them trucks, projected to reach 1,350 by 2042. The structure is 114 ft (34.7 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSparrow Drive
CrossesCPB20 Canal
Location0.3MI W of Ryl Palm Bh Bl
RouteCity Street 0
CountyPalm Beach County
StateFlorida
Coordinates26.69969, -80.2336
Functional classUrban Local

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating62.6 US tons
Inventory rating37.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span38 ft (11.6 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,350 by 2042
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 Sparrow Drive over CPB20 Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Sparrow Drive over CPB20 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 July 2023.

How much traffic does Sparrow Drive over CPB20 Canal carry?

About 1,050 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sparrow Drive over CPB20 Canal?

The structure is 114 ft (34.7 m) long with a longest span of 38 ft (11.6 m) and a deck 38 ft wide.

Who owns Sparrow Drive over CPB20 Canal?

It is owned by the City or Municipal Highway Agency.