US Bridges

CR-707 (beach Rd) over Intracoastal Waterway

Fair

Palm Beach County, Florida · 0.3MI E of US-1 (SR-5) · Structure no. 930056

Built
1969
56 years old
Condition
Fair
inspected May 2023
Type
Movable - Bascule
Steel
Length
574 ft
1 main span
Daily traffic
3,240
2023 count
Owner
County
County Highway Agency

About this bridge

CR-707 (beach Rd) over Intracoastal Waterway is a steel movable - bascule carrying CR-707 (beach Rd) over Intracoastal Waterway in Palm Beach County, Florida. It was built in 1969, so it is 56 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 3,240 vehicles a day, roughly 5% of them trucks, projected to reach 3,505 by 2042. The structure is 574 ft (174.9 m) long and 39 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesCR-707 (beach Rd)
CrossesIntracoastal Waterway
Location0.3MI E of US-1 (SR-5)
RouteCounty Highway 707
CountyPalm Beach County
StateFlorida
Coordinates26.95258, -80.07881
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.4 US tons
Inventory rating23.6 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+9 approach)
Design loadH 20
Structure length574 ft (174.9 m)
Longest span140 ft (42.7 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic3,240 (2023)
Projected traffic3,505 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 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 CR-707 (beach Rd) over Intracoastal Waterway built?

It was built in 1969, making it 56 years old in 2025.

What condition is CR-707 (beach Rd) 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 May 2023.

How much traffic does CR-707 (beach Rd) over Intracoastal Waterway carry?

About 3,240 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR-707 (beach Rd) over Intracoastal Waterway?

The structure is 574 ft (174.9 m) long with a longest span of 140 ft (42.7 m) and a deck 39 ft wide.

Who owns CR-707 (beach Rd) over Intracoastal Waterway?

It is owned by the County Highway Agency.