US Bridges

West 23rd Street over Collins Canal

Fair

Miami-Dade County, Florida · At Dade Blvd. · Structure no. 874706

Built
1926
99 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
51 ft
1 main span
Daily traffic
2,747
2014 count
Owner
County
County Highway Agency

About this bridge

West 23rd Street over Collins Canal is a concrete arch - deck carrying West 23rd Street over Collins Canal in Miami-Dade County, Florida. It was built in 1926, so it is 99 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 2,747 vehicles a day, roughly 1% of them trucks, projected to reach 4,318 by 2036. The structure is 51 ft (15.5 m) long and 69 ft wide.

CarriesWest 23rd Street
CrossesCollins Canal
LocationAt Dade Blvd.
RouteCity Street 0
StateFlorida
Coordinates25.79919, -80.13007
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.7 US tons
Inventory rating25.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length51 ft (15.5 m)
Longest span51 ft (15.5 m)
Deck width69 ft (21 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,747 (2014)
Projected traffic4,318 by 2036
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was West 23rd Street over Collins Canal built?

It was built in 1926, making it 99 years old in 2025.

What condition is West 23rd 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 April 2024.

How much traffic does West 23rd Street over Collins Canal carry?

About 2,747 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is West 23rd Street over Collins Canal?

The structure is 51 ft (15.5 m) long with a longest span of 51 ft (15.5 m) and a deck 69 ft wide.

Who owns West 23rd Street over Collins Canal?

It is owned by the County Highway Agency.