US Bridges

SR 985 over Tamiami Canal C-4

Good

Miami-Dade County, Florida · 50 Ft N of SR 90 / US41 · Structure no. 871090

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
82 ft
3 main spans
Daily traffic
31,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR 985 over Tamiami Canal C-4 is a concrete slab carrying SR 985 over Tamiami Canal C-4 in Miami-Dade County, Florida. It was built in 2017, so it is 8 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 31,500 vehicles a day, roughly 4% of them trucks, projected to reach 54,652 by 2044. The structure is 82 ft (25.1 m) long and 161 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 985
CrossesTamiami Canal C-4
Location50 Ft N of SR 90 / US41
RouteState Highway 985
CountyMiami-Dade County
StateFlorida
Coordinates25.76162, -80.36853
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length82 ft (25.1 m)
Longest span36 ft (11.1 m)
Deck width161 ft (49 m)
Roadway width142 ft (43.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,500 (2022)
Projected traffic54,652 by 2044
Trucks4%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 985 over Tamiami Canal C-4 built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 985 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 August 2023.

How much traffic does SR 985 over Tamiami Canal C-4 carry?

About 31,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SR 985 over Tamiami Canal C-4?

The structure is 82 ft (25.1 m) long with a longest span of 36 ft (11.1 m) and a deck 161 ft wide.

Who owns SR 985 over Tamiami Canal C-4?

It is owned by the State Highway Agency.