US Bridges

SR 924 WB Off Ramp over Scl Railroad

Good

Miami-Dade County, Florida · At SR 953 WB Off Ramp · Structure no. 870742

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
336 ft
4 main spans
Daily traffic
6,300
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 924 WB Off Ramp over Scl Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR 924 WB Off Ramp over Scl Railroad in Miami-Dade County, Florida. It was built in 1991, so it is 34 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 6,300 vehicles a day, roughly 6% of them trucks, projected to reach 10,930 by 2044. The structure is 336 ft (102.4 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSR 924 WB Off Ramp
CrossesScl Railroad
LocationAt SR 953 WB Off Ramp
RouteState Highway 924
CountyMiami-Dade County
StateFlorida
Coordinates25.88319, -80.26
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length336 ft (102.4 m)
Longest span84 ft (25.6 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2024)
Projected traffic10,930 by 2044
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 WB Off Ramp over Scl Railroad built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 924 WB Off Ramp over Scl Railroad 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 WB Off Ramp over Scl Railroad carry?

About 6,300 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 924 WB Off Ramp over Scl Railroad?

The structure is 336 ft (102.4 m) long with a longest span of 84 ft (25.6 m) and a deck 30 ft wide.

Who owns SR 924 WB Off Ramp over Scl Railroad?

It is owned by the State Toll Authority.