US Bridges

Keller Road over Lwdd E-4 Canal

Good

Palm Beach County, Florida · 0.2 MI W of I-95 · Structure no. 936350

Built
1958
67 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
3,240
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Keller Road over Lwdd E-4 Canal is a prestressed concrete slab carrying Keller Road over Lwdd E-4 Canal in Palm Beach County, Florida. It was built in 1958, so it is 67 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 3,240 vehicles a day, roughly 4% of them trucks, projected to reach 5,205 by 2044. The structure is 91 ft (27.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKeller Road
CrossesLwdd E-4 Canal
Location0.2 MI W of I-95
RouteCity Street 0
CountyPalm Beach County
StateFlorida
Coordinates26.63631, -80.072
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length91 ft (27.6 m)
Longest span31 ft (9.3 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,240 (2024)
Projected traffic5,205 by 2044
Trucks4%
Lanes on structure2
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

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 Keller Road over Lwdd E-4 Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is Keller Road over Lwdd E-4 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 September 2024.

How much traffic does Keller Road over Lwdd E-4 Canal carry?

About 3,240 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Keller Road over Lwdd E-4 Canal?

The structure is 91 ft (27.6 m) long with a longest span of 31 ft (9.3 m) and a deck 30 ft wide.

Who owns Keller Road over Lwdd E-4 Canal?

It is owned by the City or Municipal Highway Agency.