US Bridges

SB I-95 (SR-9) over Ten Mile Creek

Good

St. Lucie County, Florida · .5 Miles South of SR-70 · Structure no. 940122

Built
1982
43 years old, rebuilt 2019
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
942 ft
12 main spans
Daily traffic
37,133
2023 count
Owner
State
State Highway Agency

About this bridge

SB I-95 (SR-9) over Ten Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying SB I-95 (SR-9) over Ten Mile Creek in St. Lucie County, Florida. It was built in 1982 and reconstructed in 2019, so it is 43 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 37,133 vehicles a day, roughly 16% of them trucks, projected to reach 64,426 by 2045. The structure is 942 ft (287.1 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB I-95 (SR-9)
CrossesTen Mile Creek
Location.5 Miles South of SR-70
RouteInterstate 95
StateFlorida
Coordinates27.40212, -80.38972
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length942 ft (287.1 m)
Longest span84 ft (25.5 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,133 (2023)
Projected traffic64,426 by 2045
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SB I-95 (SR-9) over Ten Mile Creek built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2019.

What condition is SB I-95 (SR-9) over Ten Mile 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 2024.

How much traffic does SB I-95 (SR-9) over Ten Mile Creek carry?

About 37,133 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SB I-95 (SR-9) over Ten Mile Creek?

The structure is 942 ft (287.1 m) long with a longest span of 84 ft (25.5 m) and a deck 59 ft wide.

Who owns SB I-95 (SR-9) over Ten Mile Creek?

It is owned by the State Highway Agency.