US Bridges

Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr

Good

Miami-Dade County, Florida · SR 836/HEFT Interchange · Structure no. 870942

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,211 ft
3 main spans
Daily traffic
—
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr is a steel continuous stringer/multi-beam or girder carrying Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr in Miami-Dade County, Florida. It was built in 2023, so it is 2 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.

No traffic count is recorded. The structure is 1,211 ft (369.1 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesRamp B-3 Mm 27.2
CrossesHEFT/SR836/NW 12 St/Rr
LocationSR 836/HEFT Interchange
RouteState Highway 821
CountyMiami-Dade County
StateFlorida
Coordinates25.78121, -80.38588
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 inspectionNovember 2023
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 alignment7: Better than present minimum criteria
Operating rating53.4 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHL 93
Structure length1,211 ft (369.1 m)
Longest span220 ft (67.1 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr built?

It was built in 2023, making it 2 years old in 2025.

What condition is Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr 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 November 2023.

How much traffic does Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr carry?

No traffic count is recorded for this structure.

How long is Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr?

The structure is 1,211 ft (369.1 m) long with a longest span of 220 ft (67.1 m) and a deck 36 ft wide.

Who owns Ramp B-3 Mm 27.2 over HEFT/SR836/NW 12 St/Rr?

It is owned by the State Toll Authority.