US Bridges

I-95NB to US-1 over SW 2nd ST to SE 1st Ave

Good

Miami-Dade County, Florida · Downtown Intrchg · Structure no. 870472

Built
1968
57 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
2,584 ft
2 main spans
Daily traffic
16,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-95NB to US-1 over SW 2nd ST to SE 1st Ave is a steel stringer/multi-beam or girder carrying I-95NB to US-1 over SW 2nd ST to SE 1st Ave in Miami-Dade County, Florida. It was built in 1968, so it is 57 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 16,000 vehicles a day, roughly 4% of them trucks, projected to reach 27,760 by 2044. The structure is 2,584 ft (787.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-95NB to US-1
CrossesSW 2nd ST to SE 1st Ave
LocationDowntown Intrchg
RouteState Highway 970
CountyMiami-Dade County
StateFlorida
Coordinates25.77245, -80.19684
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
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.2 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+34 approach)
Design loadHS 20
Structure length2,584 ft (787.6 m)
Longest span176 ft (53.6 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic16,000 (2022)
Projected traffic27,760 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 I-95NB to US-1 over SW 2nd ST to SE 1st Ave built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-95NB to US-1 over SW 2nd ST to SE 1st Ave 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-95NB to US-1 over SW 2nd ST to SE 1st Ave carry?

About 16,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is I-95NB to US-1 over SW 2nd ST to SE 1st Ave?

The structure is 2,584 ft (787.6 m) long with a longest span of 176 ft (53.6 m) and a deck 28 ft wide.

Who owns I-95NB to US-1 over SW 2nd ST to SE 1st Ave?

It is owned by the State Highway Agency.