US Bridges

Donald Ross RD WB over Intracoastal Waterway

Fair

Palm Beach County, Florida · 0.8MI West of US-1 · Structure no. 934160

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Movable - Bascule
Steel
Length
1,384 ft
1 main span
Daily traffic
14,750
2023 count
Owner
County
County Highway Agency

About this bridge

Donald Ross RD WB over Intracoastal Waterway is a steel movable - bascule carrying Donald Ross RD WB over Intracoastal Waterway in Palm Beach County, Florida. It was built in 1999, so it is 26 years old, younger 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 14,750 vehicles a day, roughly 10% of them trucks, projected to reach 25,592 by 2042. The structure is 1,384 ft (421.7 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDonald Ross RD WB
CrossesIntracoastal Waterway
Location0.8MI West of US-1
RouteCounty Highway 0
StateFlorida
Coordinates26.88203, -80.06942
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+9 approach)
Design loadHS 20
Structure length1,384 ft (421.7 m)
Longest span164 ft (50 m)
Deck width57 ft (17.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic14,750 (2023)
Projected traffic25,592 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Donald Ross RD WB over Intracoastal Waterway built?

It was built in 1999, making it 26 years old in 2025.

What condition is Donald Ross RD WB 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 July 2024.

How much traffic does Donald Ross RD WB over Intracoastal Waterway carry?

About 14,750 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Donald Ross RD WB over Intracoastal Waterway?

The structure is 1,384 ft (421.7 m) long with a longest span of 164 ft (50 m) and a deck 57 ft wide.

Who owns Donald Ross RD WB over Intracoastal Waterway?

It is owned by the County Highway Agency.