US Bridges

I-95SB to US1 over W Flagler to S Miami

Good

Miami-Dade County, Florida · Downtown Intrchg · Structure no. 870474

Built
1968
57 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
2,480 ft
1 main span
Daily traffic
21,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-95SB to US1 over W Flagler to S Miami is a steel stringer/multi-beam or girder carrying I-95SB to US1 over W Flagler to S Miami 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 21,000 vehicles a day, roughly 3% of them trucks, projected to reach 36,435 by 2044. The structure is 2,480 ft (755.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-95SB to US1
CrossesW Flagler to S Miami
LocationDowntown Intrchg
RouteInterstate 95
StateFlorida
Coordinates25.77267, -80.19708
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 inspectionJune 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+32 approach)
Design loadHL 93
Structure length2,480 ft (755.9 m)
Longest span183 ft (55.7 m)
Deck width33 ft (10.1 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic21,000 (2022)
Projected traffic36,435 by 2044
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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-95SB to US1 over W Flagler to S Miami built?

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

What condition is I-95SB to US1 over W Flagler to S Miami 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 June 2023.

How much traffic does I-95SB to US1 over W Flagler to S Miami carry?

About 21,000 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is I-95SB to US1 over W Flagler to S Miami?

The structure is 2,480 ft (755.9 m) long with a longest span of 183 ft (55.7 m) and a deck 33 ft wide.

Who owns I-95SB to US1 over W Flagler to S Miami?

It is owned by the State Highway Agency.