US Bridges

SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR

Good

Miami-Dade County, Florida · 1.1 Miles N of SR 826 · Structure no. 870906

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
179 ft
2 main spans
Daily traffic
104,900
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR is a steel stringer/multi-beam or girder carrying SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR in Miami-Dade County, Florida. It was built in 2005, so it is 20 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 104,900 vehicles a day, roughly 10% of them trucks, projected to reach 182,002 by 2042. The structure is 179 ft (54.5 m) long and 123 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR-91 Nb/Sb 1.12
CrossesSR 860 Miami Gardens DR
Location1.1 Miles N of SR 826
RouteState Highway 91
CountyMiami-Dade County
StateFlorida
Coordinates25.94182, -80.2228
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length179 ft (54.5 m)
Longest span90 ft (27.3 m)
Deck width123 ft (37.5 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,900 (2024)
Projected traffic182,002 by 2042
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR 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 February 2024.

How much traffic does SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR carry?

About 104,900 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR?

The structure is 179 ft (54.5 m) long with a longest span of 90 ft (27.3 m) and a deck 123 ft wide.

Who owns SR-91 Nb/Sb 1.12 over SR 860 Miami Gardens DR?

It is owned by the State Toll Authority.