US Bridges

NB SR 997 over C-102 Canal

Good

Miami-Dade County, Florida · 0.5 Mi. N. of SR 974 · Structure no. 871177

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
8,450
2022 count
Owner
State
State Highway Agency

About this bridge

NB SR 997 over C-102 Canal is a prestressed concrete stringer/multi-beam or girder carrying NB SR 997 over C-102 Canal in Miami-Dade County, Florida. It was built in 2020, so it is 5 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 8,450 vehicles a day, roughly 12% of them trucks, projected to reach 14,661 by 2044. The structure is 69 ft (21 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesNB SR 997
CrossesC-102 Canal
Location0.5 Mi. N. of SR 974
RouteState Highway 997
CountyMiami-Dade County
StateFlorida
Coordinates25.58325, -80.47814
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 inspectionSeptember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length69 ft (21 m)
Longest span69 ft (21 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,450 (2022)
Projected traffic14,661 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 NB SR 997 over C-102 Canal built?

It was built in 2020, making it 5 years old in 2025.

What condition is NB SR 997 over C-102 Canal 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 September 2024.

How much traffic does NB SR 997 over C-102 Canal carry?

About 8,450 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NB SR 997 over C-102 Canal?

The structure is 69 ft (21 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns NB SR 997 over C-102 Canal?

It is owned by the State Highway Agency.