US Bridges

SW 124th Street over Canal C-100-A

Good

Miami-Dade County, Florida · 20FT. E of SW 71st Avenue · Structure no. 874419

Built
1965
60 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
66 ft
3 main spans
Daily traffic
3,618
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

SW 124th Street over Canal C-100-A is a prestressed concrete slab carrying SW 124th Street over Canal C-100-A in Miami-Dade County, Florida. It was built in 1965, so it is 60 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 3,618 vehicles a day, roughly 2% of them trucks, projected to reach 4,080 by 2042. The structure is 66 ft (20 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW 124th Street
CrossesCanal C-100-A
Location20FT. E of SW 71st Avenue
RouteCounty Highway 0
StateFlorida
Coordinates25.65577, -80.30887
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length66 ft (20 m)
Longest span30 ft (9.2 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,618 (2020)
Projected traffic4,080 by 2042
Trucks2%
Lanes on structure2
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 SW 124th Street over Canal C-100-A built?

It was built in 1965, making it 60 years old in 2025.

What condition is SW 124th Street over Canal C-100-A 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 March 2024.

How much traffic does SW 124th Street over Canal C-100-A carry?

About 3,618 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SW 124th Street over Canal C-100-A?

The structure is 66 ft (20 m) long with a longest span of 30 ft (9.2 m) and a deck 38 ft wide.

Who owns SW 124th Street over Canal C-100-A?

It is owned by the Town or Township Highway Agency.