US Bridges

I-95 NB Flyover over NW 17 and 20th ST

Good

Miami-Dade County, Florida · N of Midtown Interchange · Structure no. 870724

Built
1994
31 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
1,836 ft
3 main spans
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-95 NB Flyover over NW 17 and 20th ST is a steel stringer/multi-beam or girder carrying I-95 NB Flyover over NW 17 and 20th ST in Miami-Dade County, Florida. It was built in 1994, so it is 31 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 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 14,500 vehicles a day, roughly 13% of them trucks, projected to reach 25,158 by 2042. The structure is 1,836 ft (559.6 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesI-95 NB Flyover
CrossesNW 17 and 20th ST
LocationN of Midtown Interchange
RouteInterstate 95
CountyMiami-Dade County
StateFlorida
Coordinates25.79198, -80.20483
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadHL 93
Structure length1,836 ft (559.6 m)
Longest span240 ft (73.2 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic25,158 by 2042
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 NB Flyover over NW 17 and 20th ST built?

It was built in 1994, making it 31 years old in 2025.

What condition is I-95 NB Flyover over NW 17 and 20th 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 February 2025.

How much traffic does I-95 NB Flyover over NW 17 and 20th ST carry?

About 14,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I-95 NB Flyover over NW 17 and 20th ST?

The structure is 1,836 ft (559.6 m) long with a longest span of 240 ft (73.2 m) and a deck 30 ft wide.

Who owns I-95 NB Flyover over NW 17 and 20th ST?

It is owned by the State Highway Agency.