US Bridges

SE ST Lucie Blvd over Willoughby Creek

Good

Martin County, Florida · 1/2MI S of Indian St. · Structure no. 890102

Built
1980
45 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
83 ft
3 main spans
Daily traffic
3,111
2023 count
Owner
County
County Highway Agency

About this bridge

SE ST Lucie Blvd over Willoughby Creek is a prestressed concrete slab carrying SE ST Lucie Blvd over Willoughby Creek in Martin County, Florida. It was built in 1980, so it is 45 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 83 ft (25.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSE ST Lucie Blvd
CrossesWilloughby Creek
Location1/2MI S of Indian St.
RouteCounty Highway 0
StateFlorida
Coordinates27.16948, -80.20327
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.6 US tons
Inventory rating39.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (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
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 SE ST Lucie Blvd over Willoughby Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SE ST Lucie Blvd over Willoughby 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 November 2023.

How much traffic does SE ST Lucie Blvd over Willoughby Creek carry?

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

How long is SE ST Lucie Blvd over Willoughby Creek?

The structure is 83 ft (25.3 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns SE ST Lucie Blvd over Willoughby Creek?

It is owned by the County Highway Agency.