US Bridges

US-1 (SR-5) over Earman River (C-17)

Poor

Palm Beach County, Florida · Just North of SR-850 · Structure no. 930003

Built
1956
69 years old, rebuilt 2017
Condition
Poor
inspected November 2023
Type
Tee Beam
Concrete
Length
144 ft
4 main spans
Daily traffic
29,500
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 (SR-5) over Earman River (C-17) is a concrete tee beam carrying US-1 (SR-5) over Earman River (C-17) in Palm Beach County, Florida. It was built in 1956 and reconstructed in 2017, so it is 69 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 29,500 vehicles a day, roughly 4% of them trucks, projected to reach 51,182 by 2044. The structure is 144 ft (43.9 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-1 (SR-5)
CrossesEarman River (C-17)
LocationJust North of SR-850
RouteU.S. Route 1
StateFlorida
Coordinates26.80835, -80.05593
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating30.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span36 ft (11 m)
Deck width100 ft (30.6 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2022)
Projected traffic51,182 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 US-1 (SR-5) over Earman River (C-17) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2017.

What condition is US-1 (SR-5) over Earman River (C-17) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does US-1 (SR-5) over Earman River (C-17) carry?

About 29,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is US-1 (SR-5) over Earman River (C-17)?

The structure is 144 ft (43.9 m) long with a longest span of 36 ft (11 m) and a deck 100 ft wide.

Who owns US-1 (SR-5) over Earman River (C-17)?

It is owned by the State Highway Agency.