US Bridges

SW 4th Ave. over Tarpon River

Fair

Broward County, Florida · 150FT. N of Davie Blvd · Structure no. 864070

Built
1928
97 years old, rebuilt 1961
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
15,184
2021 count
Owner
County
County Highway Agency

About this bridge

SW 4th Ave. over Tarpon River is a steel stringer/multi-beam or girder carrying SW 4th Ave. over Tarpon River in Broward County, Florida. It was built in 1928 and reconstructed in 1961, so it is 97 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 15,184 vehicles a day, roughly 5% of them trucks, projected to reach 25,331 by 2042. The structure is 32 ft (9.8 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSW 4th Ave.
CrossesTarpon River
Location150FT. N of Davie Blvd
RouteCity Street 0
CountyBroward County
StateFlorida
Coordinates26.10793, -80.14716
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width92 ft (28.1 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,184 (2021)
Projected traffic25,331 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SW 4th Ave. over Tarpon River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1961.

What condition is SW 4th Ave. over Tarpon River 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 March 2023.

How much traffic does SW 4th Ave. over Tarpon River carry?

About 15,184 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SW 4th Ave. over Tarpon River?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 92 ft wide.

Who owns SW 4th Ave. over Tarpon River?

It is owned by the County Highway Agency.