US Bridges

East 4th Avenue over Little River

Fair

Miami-Dade County, Florida · 1/4 Mile N of NW 103rd ST · Structure no. 875800

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
40 ft
2 main spans
Daily traffic
11,261
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

East 4th Avenue over Little River is a prestressed concrete slab carrying East 4th Avenue over Little River in Miami-Dade County, Florida. It was built in 1970, 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 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 11,261 vehicles a day, roughly 2% of them trucks, projected to reach 18,300 by 2042. The structure is 40 ft (12.2 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesEast 4th Avenue
CrossesLittle River
Location1/4 Mile N of NW 103rd ST
RouteCity Street 0
CountyMiami-Dade County
StateFlorida
Coordinates25.87028, -80.27472
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.2 US tons
Inventory rating42.5 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 (21.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,261 (2023)
Projected traffic18,300 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 East 4th Avenue over Little River built?

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

What condition is East 4th Avenue over Little River 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 June 2023.

How much traffic does East 4th Avenue over Little River carry?

About 11,261 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is East 4th Avenue over Little River?

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 East 4th Avenue over Little River?

It is owned by the City or Municipal Highway Agency.