US Bridges

SR 924 over NW 37th Avenue

Fair

Miami-Dade County, Florida · SR-924 over N. 37th Ave · Structure no. 870739

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
58,000
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 924 over NW 37th Avenue is a prestressed concrete stringer/multi-beam or girder carrying SR 924 over NW 37th Avenue in Miami-Dade County, Florida. It was built in 1990, so it is 35 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 58,000 vehicles a day, roughly 6% of them trucks, projected to reach 100,630 by 2044. The structure is 124 ft (37.8 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 924
CrossesNW 37th Avenue
LocationSR-924 over N. 37th Ave
RouteState Highway 924
CountyMiami-Dade County
StateFlorida
Coordinates25.88392, -80.26333
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.6 US tons
Inventory rating32.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span124 ft (37.8 m)
Deck width129 ft (39.3 m)
Roadway width123 ft (37.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,000 (2024)
Projected traffic100,630 by 2044
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 over NW 37th Avenue built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 924 over NW 37th Avenue in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does SR 924 over NW 37th Avenue carry?

About 58,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 924 over NW 37th Avenue?

The structure is 124 ft (37.8 m) long with a longest span of 124 ft (37.8 m) and a deck 129 ft wide.

Who owns SR 924 over NW 37th Avenue?

It is owned by the State Toll Authority.