US Bridges

SR 924 Gratigny over SR 916 and NW 67th Ave

Good

Miami-Dade County, Florida · 1.0 Mile East of SR 826 · Structure no. 870708

Built
1989
36 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
483 ft
4 main spans
Daily traffic
68,000
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 924 Gratigny over SR 916 and NW 67th Ave is a prestressed concrete stringer/multi-beam or girder carrying SR 924 Gratigny over SR 916 and NW 67th Ave in Miami-Dade County, Florida. It was built in 1989, so it is 36 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 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 68,000 vehicles a day, roughly 8% of them trucks, projected to reach 117,980 by 2044. The structure is 483 ft (147.2 m) long and 119 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 924 Gratigny
CrossesSR 916 and NW 67th Ave
Location1.0 Mile East of SR 826
RouteState Highway 924
CountyMiami-Dade County
StateFlorida
Coordinates25.89865, -80.30772
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.5 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length483 ft (147.2 m)
Longest span134 ft (40.7 m)
Deck width119 ft (36.3 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,000 (2024)
Projected traffic117,980 by 2044
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 924 Gratigny over SR 916 and NW 67th Ave built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 924 Gratigny over SR 916 and NW 67th Ave 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 November 2024.

How much traffic does SR 924 Gratigny over SR 916 and NW 67th Ave carry?

About 68,000 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 924 Gratigny over SR 916 and NW 67th Ave?

The structure is 483 ft (147.2 m) long with a longest span of 134 ft (40.7 m) and a deck 119 ft wide.

Who owns SR 924 Gratigny over SR 916 and NW 67th Ave?

It is owned by the State Toll Authority.