US Bridges

US1 to I95 NB over SE 1st Ave to NW 2nd ST

Fair

Miami-Dade County, Florida · Downtown Intrchg · Structure no. 870475

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,552 ft
4 main spans
Daily traffic
16,000
2024 count
Owner
State
State Highway Agency

About this bridge

US1 to I95 NB over SE 1st Ave to NW 2nd ST is a steel continuous stringer/multi-beam or girder carrying US1 to I95 NB over SE 1st Ave to NW 2nd ST 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 fair condition with a lowest component rating of 5 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 16,000 vehicles a day, roughly 4% of them trucks, projected to reach 27,760 by 2044. The structure is 3,552 ft (1,082.8 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS1 to I95 NB
CrossesSE 1st Ave to NW 2nd ST
LocationDowntown Intrchg
RouteState Highway 970
CountyMiami-Dade County
StateFlorida
Coordinates25.77274, -80.19634
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating28.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+45 approach)
Design loadHS 20
Structure length3,552 ft (1,082.8 m)
Longest span132 ft (40.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic16,000 (2024)
Projected traffic27,760 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 US1 to I95 NB over SE 1st Ave to NW 2nd ST built?

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

What condition is US1 to I95 NB over SE 1st Ave to NW 2nd ST 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 November 2024.

How much traffic does US1 to I95 NB over SE 1st Ave to NW 2nd ST carry?

About 16,000 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US1 to I95 NB over SE 1st Ave to NW 2nd ST?

The structure is 3,552 ft (1,082.8 m) long with a longest span of 132 ft (40.2 m) and a deck 22 ft wide.

Who owns US1 to I95 NB over SE 1st Ave to NW 2nd ST?

It is owned by the State Highway Agency.