US Bridges

SW 72nd Avenue over Swamp Area (gully)

Good

Miami-Dade County, Florida · 0.5 Mile S/O SW 152 ST · Structure no. 874425

Built
1920
105 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
52 ft
1 main span
Daily traffic
2
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

SW 72nd Avenue over Swamp Area (gully) is a concrete tee beam carrying SW 72nd Avenue over Swamp Area (gully) in Miami-Dade County, Florida. It was built in 1920, so it is 105 years old, older 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 2 vehicles a day, projected to reach 10 by 2042. The structure is 52 ft (15.8 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW 72nd Avenue
CrossesSwamp Area (gully)
Location0.5 Mile S/O SW 152 ST
RouteCounty Highway 0
StateFlorida
Coordinates25.62214, -80.3095
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating44.8 US tons
Inventory rating27.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span24 ft (7.4 m)
Deck width18 ft (5.4 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2024)
Projected traffic10 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 SW 72nd Avenue over Swamp Area (gully) built?

It was built in 1920, making it 105 years old in 2025.

What condition is SW 72nd Avenue over Swamp Area (gully) 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 May 2024.

How much traffic does SW 72nd Avenue over Swamp Area (gully) carry?

About 2 vehicles per day (2024 count).

How long is SW 72nd Avenue over Swamp Area (gully)?

The structure is 52 ft (15.8 m) long with a longest span of 24 ft (7.4 m) and a deck 18 ft wide.

Who owns SW 72nd Avenue over Swamp Area (gully)?

It is owned by the Town or Township Highway Agency.