US Bridges

ST Lucie West Blvd over SR-9 (I-95)

Fair

St. Lucie County, Florida · 7.6 Mi. S of SR70 / I-95 · Structure no. 940133

Built
1989
36 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
3 main spans
Daily traffic
43,500
2022 count
Owner
State
State Highway Agency

About this bridge

ST Lucie West Blvd over SR-9 (I-95) is a prestressed concrete stringer/multi-beam or girder carrying ST Lucie West Blvd over SR-9 (I-95) in St. Lucie County, Florida. It was built in 1989, so it is 36 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 43,500 vehicles a day, roughly 7% of them trucks, projected to reach 75,472 by 2044. The structure is 400 ft (121.9 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesST Lucie West Blvd
CrossesSR-9 (I-95)
Location7.6 Mi. S of SR70 / I-95
RouteCounty Highway 0
CountySt. Lucie County
StateFlorida
Coordinates27.31146, -80.41412
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span142 ft (43.3 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,500 (2022)
Projected traffic75,472 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST Lucie West Blvd over SR-9 (I-95) built?

It was built in 1989, making it 36 years old in 2025.

What condition is ST Lucie West Blvd over SR-9 (I-95) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does ST Lucie West Blvd over SR-9 (I-95) carry?

About 43,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is ST Lucie West Blvd over SR-9 (I-95)?

The structure is 400 ft (121.9 m) long with a longest span of 142 ft (43.3 m) and a deck 52 ft wide.

Who owns ST Lucie West Blvd over SR-9 (I-95)?

It is owned by the State Highway Agency.