US Bridges

NW St. James Dr. over Ten Mile Creek

Good

St. Lucie County, Florida · 1.1 MI S of Edwards RD · Structure no. 944016

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
5 main spans
Daily traffic
18,600
2023 count
Owner
County
County Highway Agency

About this bridge

NW St. James Dr. over Ten Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying NW St. James Dr. over Ten Mile Creek in St. Lucie County, Florida. It was built in 2008, so it is 17 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 18,600 vehicles a day, roughly 7% of them trucks, projected to reach 32,271 by 2045. The structure is 250 ft (76.2 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW St. James Dr.
CrossesTen Mile Creek
Location1.1 MI S of Edwards RD
RouteCounty Highway 615
StateFlorida
Coordinates27.39461, -80.34994
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span50 ft (15.2 m)
Deck width95 ft (28.9 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic18,600 (2023)
Projected traffic32,271 by 2045
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 NW St. James Dr. over Ten Mile Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is NW St. James Dr. 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 July 2024.

How much traffic does NW St. James Dr. over Ten Mile Creek carry?

About 18,600 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NW St. James Dr. over Ten Mile Creek?

The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 95 ft wide.

Who owns NW St. James Dr. over Ten Mile Creek?

It is owned by the County Highway Agency.