US Bridges

SW 99th Avenue over Snapper Creek Canal

Fair

Miami-Dade County, Florida · 75FT. S of Snapper Crk DR · Structure no. 874255

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
9,504
2023 count
Owner
County
County Highway Agency

About this bridge

SW 99th Avenue over Snapper Creek Canal is a prestressed concrete slab carrying SW 99th Avenue over Snapper Creek Canal in Miami-Dade County, Florida. It was built in 1960, so it is 65 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 5 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 9,504 vehicles a day, roughly 3% of them trucks, projected to reach 16,057 by 2042. The structure is 102 ft (31.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSW 99th Avenue
CrossesSnapper Creek Canal
Location75FT. S of Snapper Crk DR
RouteCounty Highway 0
CountyMiami-Dade County
StateFlorida
Coordinates25.69585, -80.35469
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span34 ft (10.5 m)
Deck width36 ft (11.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,504 (2023)
Projected traffic16,057 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 99th Avenue over Snapper Creek Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is SW 99th Avenue over Snapper Creek Canal 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 August 2023.

How much traffic does SW 99th Avenue over Snapper Creek Canal carry?

About 9,504 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SW 99th Avenue over Snapper Creek Canal?

The structure is 102 ft (31.2 m) long with a longest span of 34 ft (10.5 m) and a deck 36 ft wide.

Who owns SW 99th Avenue over Snapper Creek Canal?

It is owned by the County Highway Agency.