US Bridges

SR 997 NB over Mowry Canal C-103

Good

Miami-Dade County, Florida · N of SW 280 St. · Structure no. 871179

Built
2020
5 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
50 ft
1 main span
Daily traffic
13,250
2022 count
Owner
State
State Highway Agency

About this bridge

SR 997 NB over Mowry Canal C-103 is a concrete stringer/multi-beam or girder carrying SR 997 NB over Mowry Canal C-103 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,250 vehicles a day, roughly 14% of them trucks, projected to reach 22,989 by 2044. The structure is 50 ft (15.2 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 997 NB
CrossesMowry Canal C-103
LocationN of SW 280 St.
RouteState Highway 997
CountyMiami-Dade County
StateFlorida
Coordinates25.50694, -80.47757
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 rating62.6 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,250 (2022)
Projected traffic22,989 by 2044
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 997 NB over Mowry Canal C-103 built?

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

What condition is SR 997 NB over Mowry Canal C-103 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 January 2025.

How much traffic does SR 997 NB over Mowry Canal C-103 carry?

About 13,250 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR 997 NB over Mowry Canal C-103?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns SR 997 NB over Mowry Canal C-103?

It is owned by the State Highway Agency.