US Bridges

ST Lucie Blvd over Crooked Creek

Good

Martin County, Florida · 0.4MI NE of A1A · Structure no. 894014

Built
1955
70 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
3,111
2023 count
Owner
County
County Highway Agency

About this bridge

ST Lucie Blvd over Crooked Creek is a prestressed concrete slab carrying ST Lucie Blvd over Crooked Creek in Martin County, Florida. It was built in 1955, so it is 70 years old, older 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 3,111 vehicles a day, roughly 4% of them trucks, projected to reach 5,398 by 2042. The structure is 150 ft (45.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST Lucie Blvd
CrossesCrooked Creek
Location0.4MI NE of A1A
RouteCounty Highway 0
StateFlorida
Coordinates27.15408, -80.20008
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,111 (2023)
Projected traffic5,398 by 2042
Trucks4%
Lanes on structure2
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

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 ST Lucie Blvd over Crooked Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is ST Lucie Blvd over Crooked Creek 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 December 2023.

How much traffic does ST Lucie Blvd over Crooked Creek carry?

About 3,111 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is ST Lucie Blvd over Crooked Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns ST Lucie Blvd over Crooked Creek?

It is owned by the County Highway Agency.