US Bridges

SR 924 over SR 953 NW 42nd Ave

Good

Miami-Dade County, Florida · South Exit Ramp to SR 953 · Structure no. 870738

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

About this bridge

SR 924 over SR 953 NW 42nd Ave is a prestressed concrete stringer/multi-beam or girder carrying SR 924 over SR 953 NW 42nd Ave 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 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 58,000 vehicles a day, roughly 6% of them trucks, projected to reach 100,630 by 2044. The structure is 140 ft (42.7 m) long and 142 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 924
CrossesSR 953 NW 42nd Ave
LocationSouth Exit Ramp to SR 953
RouteState Highway 924
StateFlorida
Coordinates25.88514, -80.26731
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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width142 ft (43.3 m)
Roadway width136 ft (41.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,000 (2024)
Projected traffic100,630 by 2044
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 SR 953 NW 42nd Ave built?

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

What condition is SR 924 over SR 953 NW 42nd 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 October 2024.

How much traffic does SR 924 over SR 953 NW 42nd Ave carry?

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

How long is SR 924 over SR 953 NW 42nd Ave?

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 142 ft wide.

Who owns SR 924 over SR 953 NW 42nd Ave?

It is owned by the State Toll Authority.