US Bridges

I-75 SB to SR826SB over NW 138th ST

Good

Miami-Dade County, Florida · I-75/SR 826 Interchange · Structure no. 870648

Built
1986
39 years old, rebuilt 2012
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
3 main spans
Daily traffic
32,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 SB to SR826SB over NW 138th ST is a prestressed concrete stringer/multi-beam or girder carrying I-75 SB to SR826SB over NW 138th ST in Miami-Dade County, Florida. It was built in 1986 and reconstructed in 2012, so it is 39 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 32,000 vehicles a day, roughly 10% of them trucks, projected to reach 55,520 by 2044. The structure is 149 ft (45.4 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesI-75 SB to SR826SB
CrossesNW 138th ST
LocationI-75/SR 826 Interchange
RouteInterstate 75
StateFlorida
Coordinates25.89764, -80.32954
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span69 ft (21 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2024)
Projected traffic55,520 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed8.7 mi (14 km)
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-75 SB to SR826SB over NW 138th ST built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2012.

What condition is I-75 SB to SR826SB over NW 138th 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 October 2024.

How much traffic does I-75 SB to SR826SB over NW 138th ST carry?

About 32,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I-75 SB to SR826SB over NW 138th ST?

The structure is 149 ft (45.4 m) long with a longest span of 69 ft (21 m) and a deck 42 ft wide.

Who owns I-75 SB to SR826SB over NW 138th ST?

It is owned by the State Highway Agency.