US Bridges

I-95 over NW 46 ST

Good

Miami-Dade County, Florida · I-95/SR112/I-195 Intrchg · Structure no. 870328

Built
1961
64 years old, rebuilt 2020
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
147 ft
3 main spans
Daily traffic
39,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-95 over NW 46 ST is a prestressed concrete stringer/multi-beam or girder carrying I-95 over NW 46 ST in Miami-Dade County, Florida. It was built in 1961 and reconstructed in 2020, so it is 64 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 39,500 vehicles a day, roughly 5% of them trucks, projected to reach 68,532 by 2044. The structure is 147 ft (44.7 m) long and 248 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-95
CrossesNW 46 ST
LocationI-95/SR112/I-195 Intrchg
RouteInterstate 95
CountyMiami-Dade County
StateFlorida
Coordinates25.81757, -80.20621
Functional classUrban Principal Arterial - Interstate

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.7 m)
Longest span63 ft (19.2 m)
Deck width248 ft (75.6 m)
Roadway width185 ft (56.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2022)
Projected traffic68,532 by 2044
Trucks5%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 I-95 over NW 46 ST built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2020.

What condition is I-95 over NW 46 ST 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 2023.

How much traffic does I-95 over NW 46 ST carry?

About 39,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I-95 over NW 46 ST?

The structure is 147 ft (44.7 m) long with a longest span of 63 ft (19.2 m) and a deck 248 ft wide.

Who owns I-95 over NW 46 ST?

It is owned by the State Highway Agency.