US Bridges

SR 874 NB over SR 973 (sw 87th Ave)

Good

Miami-Dade County, Florida · 1.4 Mile North of SR 94 · Structure no. 870525

Built
1975
50 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
871 ft
9 main spans
Daily traffic
51,500
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 874 NB over SR 973 (sw 87th Ave) is a prestressed concrete stringer/multi-beam or girder carrying SR 874 NB over SR 973 (sw 87th Ave) in Miami-Dade County, Florida. It was built in 1975, so it is 50 years old, older 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 51,500 vehicles a day, roughly 6% of them trucks, projected to reach 89,352 by 2044. The structure is 871 ft (265.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 874 NB
CrossesSR 973 (sw 87th Ave)
Location1.4 Mile North of SR 94
RouteState Highway 874
CountyMiami-Dade County
StateFlorida
Coordinates25.70669, -80.33424
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length871 ft (265.6 m)
Longest span111 ft (33.8 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,500 (2024)
Projected traffic89,352 by 2044
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 874 NB over SR 973 (sw 87th Ave) built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 874 NB over SR 973 (sw 87th 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 September 2024.

How much traffic does SR 874 NB over SR 973 (sw 87th Ave) carry?

About 51,500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 874 NB over SR 973 (sw 87th Ave)?

The structure is 871 ft (265.6 m) long with a longest span of 111 ft (33.8 m) and a deck 45 ft wide.

Who owns SR 874 NB over SR 973 (sw 87th Ave)?

It is owned by the State Toll Authority.