US Bridges

SW 94th Avenue over Tamiami Canal C-4

Good

Miami-Dade County, Florida · At US-41 (sw 8th St.) · Structure no. 874215

Built
1965
60 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
74 ft
3 main spans
Daily traffic
15,350
2020 count
Owner
County
County Highway Agency

About this bridge

SW 94th Avenue over Tamiami Canal C-4 is a concrete slab carrying SW 94th Avenue over Tamiami Canal C-4 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 15,350 vehicles a day, roughly 5% of them trucks, projected to reach 26,700 by 2042. The structure is 74 ft (22.6 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW 94th Avenue
CrossesTamiami Canal C-4
LocationAt US-41 (sw 8th St.)
RouteCity Street 0
StateFlorida
Coordinates25.76208, -80.34827
Functional classUrban Local

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66.5 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span30 ft (9.1 m)
Deck width56 ft (17.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,350 (2020)
Projected traffic26,700 by 2042
Trucks5%
Lanes on structure3
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

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 94th Avenue over Tamiami Canal C-4 built?

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

What condition is SW 94th Avenue over Tamiami Canal C-4 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 2023.

How much traffic does SW 94th Avenue over Tamiami Canal C-4 carry?

About 15,350 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SW 94th Avenue over Tamiami Canal C-4?

The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 56 ft wide.

Who owns SW 94th Avenue over Tamiami Canal C-4?

It is owned by the County Highway Agency.