US Bridges

Crosstown Parkway over ST Lucie River

Good

St. Lucie County, Florida · 0.45 MI W of US-1 · Structure no. 944019

Built
2019
6 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
4,032 ft
31 main spans
Daily traffic
47,000
2023 count
Owner
County
County Highway Agency

About this bridge

Crosstown Parkway over ST Lucie River is a prestressed concrete stringer/multi-beam or girder carrying Crosstown Parkway over ST Lucie River in St. Lucie County, Florida. It was built in 2019, so it is 6 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 47,000 vehicles a day, roughly 1% of them trucks, projected to reach 62,300 by 2042. The structure is 4,032 ft (1,229 m) long and 102 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCrosstown Parkway
CrossesST Lucie River
Location0.45 MI W of US-1
RouteCity Street 0
StateFlorida
Coordinates27.30562, -80.31581
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans31
Design loadHL 93
Structure length4,032 ft (1,229 m)
Longest span146 ft (44.5 m)
Deck width102 ft (31.2 m)
Roadway width85 ft (26 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic47,000 (2023)
Projected traffic62,300 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crosstown Parkway over ST Lucie River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Crosstown Parkway over ST Lucie River 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 November 2023.

How much traffic does Crosstown Parkway over ST Lucie River carry?

About 47,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Crosstown Parkway over ST Lucie River?

The structure is 4,032 ft (1,229 m) long with a longest span of 146 ft (44.5 m) and a deck 102 ft wide.

Who owns Crosstown Parkway over ST Lucie River?

It is owned by the County Highway Agency.