US Bridges

I-195 over Alton Road

Fair

Miami-Dade County, Florida · I-195 over Alton RD · Structure no. 870303

Built
1959
66 years old, rebuilt 1990
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
7 main spans
Daily traffic
110,500
2025 count
Owner
State
State Highway Agency

About this bridge

I-195 over Alton Road is a prestressed concrete stringer/multi-beam or girder carrying I-195 over Alton Road in Miami-Dade County, Florida. It was built in 1959 and reconstructed in 1990, so it is 66 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 110,500 vehicles a day, roughly 4% of them trucks, projected to reach 191,718 by 2044. The structure is 310 ft (94.5 m) long and 105 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-195
CrossesAlton Road
LocationI-195 over Alton RD
RouteInterstate 195
CountyMiami-Dade County
StateFlorida
Coordinates25.812, -80.13817
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span48 ft (14.6 m)
Deck width105 ft (31.9 m)
Roadway width99 ft (30.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,500 (2025)
Projected traffic191,718 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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-195 over Alton Road built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1990.

What condition is I-195 over Alton Road 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 February 2025.

How much traffic does I-195 over Alton Road carry?

About 110,500 vehicles per day (2025 count), of which roughly 4% are trucks.

How long is I-195 over Alton Road?

The structure is 310 ft (94.5 m) long with a longest span of 48 ft (14.6 m) and a deck 105 ft wide.

Who owns I-195 over Alton Road?

It is owned by the State Highway Agency.