US Bridges

SR-710 EB over St. Lucie CANAL/SR-76

Good

Martin County, Florida · 2.1 Miles E of CR-609 · Structure no. 890161

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
954 ft
6 main spans
Daily traffic
7,100
2024 count
Owner
State
State Highway Agency

About this bridge

SR-710 EB over St. Lucie CANAL/SR-76 is a prestressed concrete stringer/multi-beam or girder carrying SR-710 EB over St. Lucie CANAL/SR-76 in Martin County, Florida. It was built in 2013, so it is 12 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 7,100 vehicles a day, roughly 33% of them trucks, projected to reach 12,318 by 2042. The structure is 954 ft (290.7 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR-710 EB
CrossesSt. Lucie CANAL/SR-76
Location2.1 Miles E of CR-609
RouteState Highway 710
StateFlorida
Coordinates27.01201, -80.45479
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.4 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length954 ft (290.7 m)
Longest span185 ft (56.4 m)
Deck width51 ft (15.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2024)
Projected traffic12,318 by 2042
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed0.6 mi (1 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-710 EB over St. Lucie CANAL/SR-76 built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR-710 EB over St. Lucie CANAL/SR-76 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 SR-710 EB over St. Lucie CANAL/SR-76 carry?

About 7,100 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is SR-710 EB over St. Lucie CANAL/SR-76?

The structure is 954 ft (290.7 m) long with a longest span of 185 ft (56.4 m) and a deck 51 ft wide.

Who owns SR-710 EB over St. Lucie CANAL/SR-76?

It is owned by the State Highway Agency.