US Bridges

S Miami Ave - I-95 over SR-970 to SW 1st Ct

Fair

Miami-Dade County, Florida · Downtown Intrchg · Structure no. 870555

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
900 ft
12 main spans
Daily traffic
4,200
2024 count
Owner
State
State Highway Agency

About this bridge

S Miami Ave - I-95 over SR-970 to SW 1st Ct is a prestressed concrete stringer/multi-beam or girder carrying S Miami Ave - I-95 over SR-970 to SW 1st Ct in Miami-Dade County, Florida. It was built in 1969, so it is 56 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 7,287 by 2044. The structure is 900 ft (274.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS Miami Ave - I-95
CrossesSR-970 to SW 1st Ct
LocationDowntown Intrchg
RouteInterstate 95
CountyMiami-Dade County
StateFlorida
Coordinates25.77279, -80.19622
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.5 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadHL 93
Structure length900 ft (274.3 m)
Longest span104 ft (31.7 m)
Deck width28 ft (8.6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic4,200 (2024)
Projected traffic7,287 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 S Miami Ave - I-95 over SR-970 to SW 1st Ct built?

It was built in 1969, making it 56 years old in 2025.

What condition is S Miami Ave - I-95 over SR-970 to SW 1st Ct in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does S Miami Ave - I-95 over SR-970 to SW 1st Ct carry?

About 4,200 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is S Miami Ave - I-95 over SR-970 to SW 1st Ct?

The structure is 900 ft (274.3 m) long with a longest span of 104 ft (31.7 m) and a deck 28 ft wide.

Who owns S Miami Ave - I-95 over SR-970 to SW 1st Ct?

It is owned by the State Highway Agency.