US Bridges

SR-989 (112 Ave) over Black Creek Canal C-1-N

Good

Miami-Dade County, Florida · 0.4ML E of US-1 · Structure no. 870615

Built
1958
67 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
35,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-989 (112 Ave) over Black Creek Canal C-1-N is a prestressed concrete slab carrying SR-989 (112 Ave) over Black Creek Canal C-1-N in Miami-Dade County, Florida. It was built in 1958, so it is 67 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 35,500 vehicles a day, roughly 2% of them trucks, projected to reach 61,592 by 2044. The structure is 92 ft (28.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR-989 (112 Ave)
CrossesBlack Creek Canal C-1-N
Location0.4ML E of US-1
RouteState Highway 989
CountyMiami-Dade County
StateFlorida
Coordinates25.56996, -80.37229
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating73 US tons
Inventory rating43.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length92 ft (28.1 m)
Longest span31 ft (9.5 m)
Deck width68 ft (20.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,500 (2022)
Projected traffic61,592 by 2044
Trucks2%
Lanes on structure4
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

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-989 (112 Ave) over Black Creek Canal C-1-N built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR-989 (112 Ave) over Black Creek Canal C-1-N 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 April 2023.

How much traffic does SR-989 (112 Ave) over Black Creek Canal C-1-N carry?

About 35,500 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is SR-989 (112 Ave) over Black Creek Canal C-1-N?

The structure is 92 ft (28.1 m) long with a longest span of 31 ft (9.5 m) and a deck 68 ft wide.

Who owns SR-989 (112 Ave) over Black Creek Canal C-1-N?

It is owned by the State Highway Agency.