US Bridges

Hillsboro Blvd. over Intracoastal Waterway

Fair

Broward County, Florida · 300 W of A1A & E of SR-5 · Structure no. 860146

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Movable - Bascule
Steel
Length
444 ft
1 main span
Daily traffic
25,500
2024 count
Owner
State
State Highway Agency

About this bridge

Hillsboro Blvd. over Intracoastal Waterway is a steel movable - bascule carrying Hillsboro Blvd. over Intracoastal Waterway in Broward County, Florida. It was built in 1957, so it is 68 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 25,500 vehicles a day, roughly 6% of them trucks, projected to reach 44,242 by 2044. The structure is 444 ft (135.4 m) long and 58 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHillsboro Blvd.
CrossesIntracoastal Waterway
Location300 W of A1A & E of SR-5
RouteState Highway 810
CountyBroward County
StateFlorida
Coordinates26.3144, -80.0809
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.4 US tons
Inventory rating22.3 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 15
Structure length444 ft (135.4 m)
Longest span110 ft (33.5 m)
Deck width58 ft (17.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic25,500 (2024)
Projected traffic44,242 by 2044
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.7 mi (6 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 Hillsboro Blvd. over Intracoastal Waterway built?

It was built in 1957, making it 68 years old in 2025.

What condition is Hillsboro Blvd. over Intracoastal Waterway 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 September 2024.

How much traffic does Hillsboro Blvd. over Intracoastal Waterway carry?

About 25,500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Hillsboro Blvd. over Intracoastal Waterway?

The structure is 444 ft (135.4 m) long with a longest span of 110 ft (33.5 m) and a deck 58 ft wide.

Who owns Hillsboro Blvd. over Intracoastal Waterway?

It is owned by the State Highway Agency.