US Bridges

SR-A1A over Hillsboro Inlet

Fair

Broward County, Florida · .8MI North of SR 844 · Structure no. 860011

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Movable - Bascule
Steel
Length
351 ft
1 main span
Daily traffic
7,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-A1A over Hillsboro Inlet is a steel movable - bascule carrying SR-A1A over Hillsboro Inlet in Broward County, Florida. It was built in 1966, so it is 59 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 7,500 vehicles a day, roughly 5% of them trucks, projected to reach 13,012 by 2044. The structure is 351 ft (107.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-A1A
CrossesHillsboro Inlet
Location.8MI North of SR 844
RouteState Highway 0A1A
CountyBroward County
StateFlorida
Coordinates26.26144, -80.08317
Functional classUrban Collector

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length351 ft (107.1 m)
Longest span74 ft (22.7 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2024)
Projected traffic13,012 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-A1A over Hillsboro Inlet built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR-A1A over Hillsboro Inlet 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 August 2024.

How much traffic does SR-A1A over Hillsboro Inlet carry?

About 7,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR-A1A over Hillsboro Inlet?

The structure is 351 ft (107.1 m) long with a longest span of 74 ft (22.7 m) and a deck 38 ft wide.

Who owns SR-A1A over Hillsboro Inlet?

It is owned by the State Highway Agency.