US Bridges

NW 13 ST over Lwdd E 3-1/2 Canal

Good

Palm Beach County, Florida · 0.03MI E of NW 15th Ave · Structure no. 935215

Built
1974
51 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
50 ft
3 main spans
Daily traffic
8,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 13 ST over Lwdd E 3-1/2 Canal is a prestressed concrete slab carrying NW 13 ST over Lwdd E 3-1/2 Canal in Palm Beach County, Florida. It was built in 1974, so it is 51 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 8,600 vehicles a day, roughly 5% of them trucks, projected to reach 14,921 by 2045. The structure is 50 ft (15.3 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 13 ST
CrossesLwdd E 3-1/2 Canal
Location0.03MI E of NW 15th Ave
RouteCity Street 0
StateFlorida
Coordinates26.36153, -80.11516
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span17 ft (5.1 m)
Deck width83 ft (25.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2023)
Projected traffic14,921 by 2045
Trucks5%
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

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 NW 13 ST over Lwdd E 3-1/2 Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is NW 13 ST over Lwdd E 3-1/2 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 October 2024.

How much traffic does NW 13 ST over Lwdd E 3-1/2 Canal carry?

About 8,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NW 13 ST over Lwdd E 3-1/2 Canal?

The structure is 50 ft (15.3 m) long with a longest span of 17 ft (5.1 m) and a deck 83 ft wide.

Who owns NW 13 ST over Lwdd E 3-1/2 Canal?

It is owned by the City or Municipal Highway Agency.