US Bridges

SR 878 (ramp) over NB & SB SR-874

Good

Miami-Dade County, Florida · West End of SR 878 · Structure no. 870521

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
4 main spans
Daily traffic
26,670
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 878 (ramp) over NB & SB SR-874 is a prestressed concrete stringer/multi-beam or girder carrying SR 878 (ramp) over NB & SB SR-874 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 26,670 vehicles a day, roughly 4% of them trucks, projected to reach 45,045 by 2042. The structure is 340 ft (103.6 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 878 (ramp)
CrossesNB & SB SR-874
LocationWest End of SR 878
RouteState Highway 874
CountyMiami-Dade County
StateFlorida
Coordinates25.69597, -80.34296
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 inspectionAugust 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating26.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span97 ft (29.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,670 (2024)
Projected traffic45,045 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 878 (ramp) over NB & SB SR-874 built?

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

What condition is SR 878 (ramp) over NB & SB SR-874 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 August 2024.

How much traffic does SR 878 (ramp) over NB & SB SR-874 carry?

About 26,670 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 878 (ramp) over NB & SB SR-874?

The structure is 340 ft (103.6 m) long with a longest span of 97 ft (29.7 m) and a deck 43 ft wide.

Who owns SR 878 (ramp) over NB & SB SR-874?

It is owned by the State Toll Authority.