US Bridges

Palm Avenue over Little River Canal

Good

Miami-Dade County, Florida · 1/4 Mile N/O NW 103rd ST · Structure no. 875801

Built
1970
55 years old, rebuilt 1998
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
40 ft
2 main spans
Daily traffic
16,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Palm Avenue over Little River Canal is a prestressed concrete slab carrying Palm Avenue over Little River Canal in Miami-Dade County, Florida. It was built in 1970 and reconstructed in 1998, so it is 55 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 16,800 vehicles a day, roughly 1% of them trucks, projected to reach 40,887 by 2042. The structure is 40 ft (12.2 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPalm Avenue
CrossesLittle River Canal
Location1/4 Mile N/O NW 103rd ST
RouteCity Street 0
StateFlorida
Coordinates25.87056, -80.28319
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width71 ft (21.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2022)
Projected traffic40,887 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Palm Avenue over Little River Canal built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1998.

What condition is Palm Avenue over Little River 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 June 2023.

How much traffic does Palm Avenue over Little River Canal carry?

About 16,800 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Palm Avenue over Little River Canal?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 71 ft wide.

Who owns Palm Avenue over Little River Canal?

It is owned by the City or Municipal Highway Agency.