US Bridges

NB SR 953 Off Ramp over Tamiami Canal

Good

Miami-Dade County, Florida · Lejeune Off Ramp to Mic · Structure no. 874642

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
5,300
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

NB SR 953 Off Ramp over Tamiami Canal is a prestressed concrete stringer/multi-beam or girder carrying NB SR 953 Off Ramp over Tamiami Canal in Miami-Dade County, Florida. It was built in 2007, so it is 18 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 5,300 vehicles a day, roughly 6% of them trucks, projected to reach 9,430 by 2041. The structure is 280 ft (85.2 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesNB SR 953 Off Ramp
CrossesTamiami Canal
LocationLejeune Off Ramp to Mic
RouteState Highway 953
CountyMiami-Dade County
StateFlorida
Coordinates25.79368, -80.26375
Functional classUrban Other Principal Arterial

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating37.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.2 m)
Longest span88 ft (26.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic5,300 (2019)
Projected traffic9,430 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was NB SR 953 Off Ramp over Tamiami Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is NB SR 953 Off Ramp over Tamiami Canal 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 NB SR 953 Off Ramp over Tamiami Canal carry?

About 5,300 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is NB SR 953 Off Ramp over Tamiami Canal?

The structure is 280 ft (85.2 m) long with a longest span of 88 ft (26.9 m) and a deck 43 ft wide.

Who owns NB SR 953 Off Ramp over Tamiami Canal?

It is owned by the State Toll Authority.