US Bridges

Comp I-195 over Northbound Alton Road

Fair

Miami-Dade County, Florida · Ramp Off Julia Tuttle · Structure no. 870377

Built
1959
66 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
3 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

Comp I-195 over Northbound Alton Road is a prestressed concrete stringer/multi-beam or girder carrying Comp I-195 over Northbound Alton Road in Miami-Dade County, Florida. It was built in 1959 and reconstructed in 1991, 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 15,500 vehicles a day, roughly 12% of them trucks, projected to reach 26,892 by 2042. The structure is 127 ft (38.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesComp I-195
CrossesNorthbound Alton Road
LocationRamp Off Julia Tuttle
RouteInterstate 195
StateFlorida
Coordinates25.81111, -80.13751
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50.4 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span48 ft (14.6 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic26,892 by 2042
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
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 Comp I-195 over Northbound Alton Road built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1991.

What condition is Comp I-195 over Northbound 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 October 2023.

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

About 15,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Comp I-195 over Northbound Alton Road?

The structure is 127 ft (38.7 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns Comp I-195 over Northbound Alton Road?

It is owned by the State Highway Agency.