US Bridges

US-1 (SR-5) over Hidden Valley Canal C15

Fair

Palm Beach County, Florida · 1.2 Mile S of Linton Blvd · Structure no. 930006

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
5 main spans
Daily traffic
27,500
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 (SR-5) over Hidden Valley Canal C15 is a prestressed concrete stringer/multi-beam or girder carrying US-1 (SR-5) over Hidden Valley Canal C15 in Palm Beach County, Florida. It was built in 1965, so it is 60 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 27,500 vehicles a day, roughly 12% of them trucks, projected to reach 47,712 by 2044. The structure is 175 ft (53.3 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-1 (SR-5)
CrossesHidden Valley Canal C15
Location1.2 Mile S of Linton Blvd
RouteU.S. Route 1
StateFlorida
Coordinates26.42227, -80.07388
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating54.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length175 ft (53.3 m)
Longest span35 ft (10.7 m)
Deck width76 ft (23.1 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2022)
Projected traffic47,712 by 2044
Trucks12%
Lanes on structure4
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

OwnerState Highway Agency
Maintained byState 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 US-1 (SR-5) over Hidden Valley Canal C15 built?

It was built in 1965, making it 60 years old in 2025.

What condition is US-1 (SR-5) over Hidden Valley Canal C15 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 November 2024.

How much traffic does US-1 (SR-5) over Hidden Valley Canal C15 carry?

About 27,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US-1 (SR-5) over Hidden Valley Canal C15?

The structure is 175 ft (53.3 m) long with a longest span of 35 ft (10.7 m) and a deck 76 ft wide.

Who owns US-1 (SR-5) over Hidden Valley Canal C15?

It is owned by the State Highway Agency.