US Bridges

Darwin Blvd over Canal E-84

Good

St. Lucie County, Florida · 0.5MI S of Paar Drive · Structure no. 945262

Built
1984
41 years old
Condition
Good
inspected February 2025
Type
Slab
Prestressed Concrete
Length
175 ft
5 main spans
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Darwin Blvd over Canal E-84 is a prestressed concrete slab carrying Darwin Blvd over Canal E-84 in St. Lucie County, Florida. It was built in 1984, so it is 41 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2042. The structure is 175 ft (53.3 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDarwin Blvd
CrossesCanal E-84
Location0.5MI S of Paar Drive
RouteCity Street 0
StateFlorida
Coordinates27.21883, -80.35604
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span35 ft (10.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic4,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Darwin Blvd over Canal E-84 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Darwin Blvd over Canal E-84 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Darwin Blvd over Canal E-84 carry?

About 3,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Darwin Blvd over Canal E-84?

The structure is 175 ft (53.3 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns Darwin Blvd over Canal E-84?

It is owned by the City or Municipal Highway Agency.