US Bridges

17th Street over Collins Canal

Fair

Miami-Dade County, Florida · 400FT. West of Alton RD · Structure no. 876727

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
91 ft
2 main spans
Daily traffic
4,825
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

17th Street over Collins Canal is a concrete slab carrying 17th Street over Collins Canal in Miami-Dade County, Florida. It was built in 1975, so it is 50 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 4,825 vehicles a day, roughly 1% of them trucks, projected to reach 8,211 by 2042. The structure is 91 ft (27.7 m) long and 62 ft wide.

Carries17th Street
CrossesCollins Canal
Location400FT. West of Alton RD
RouteCity Street 0
StateFlorida
Coordinates25.79213, -80.14313
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span50 ft (15.2 m)
Deck width62 ft (19 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,825 (2021)
Projected traffic8,211 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 17th Street over Collins Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is 17th Street over Collins Canal 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 June 2023.

How much traffic does 17th Street over Collins Canal carry?

About 4,825 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 17th Street over Collins Canal?

The structure is 91 ft (27.7 m) long with a longest span of 50 ft (15.2 m) and a deck 62 ft wide.

Who owns 17th Street over Collins Canal?

It is owned by the City or Municipal Highway Agency.