US Bridges

SB SR 997 over Miami Canal (C-6)

Good

Miami-Dade County, Florida · SR 997 over Miami Canal · Structure no. 871031

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
116 ft
1 main span
Daily traffic
9,800
2022 count
Owner
State
State Highway Agency

About this bridge

SB SR 997 over Miami Canal (C-6) is a prestressed concrete stringer/multi-beam or girder carrying SB SR 997 over Miami Canal (C-6) in Miami-Dade County, Florida. It was built in 2016, so it is 9 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 9,800 vehicles a day, roughly 18% of them trucks, projected to reach 17,003 by 2044. The structure is 116 ft (35.4 m) long and 55 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSB SR 997
CrossesMiami Canal (C-6)
LocationSR 997 over Miami Canal
RouteState Highway 997
StateFlorida
Coordinates25.94153, -80.43971
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 rating78.2 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length116 ft (35.4 m)
Longest span116 ft (35.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2022)
Projected traffic17,003 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

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 SB SR 997 over Miami Canal (C-6) built?

It was built in 2016, making it 9 years old in 2025.

What condition is SB SR 997 over Miami Canal (C-6) 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 2024.

How much traffic does SB SR 997 over Miami Canal (C-6) carry?

About 9,800 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is SB SR 997 over Miami Canal (C-6)?

The structure is 116 ft (35.4 m) long with a longest span of 116 ft (35.4 m) and a deck 55 ft wide.

Who owns SB SR 997 over Miami Canal (C-6)?

It is owned by the State Highway Agency.