US Bridges

SR-714 over SR-91 (tpk)

Good

Martin County, Florida · 5.22 Miles East of I-95 · Structure no. 890159

Built
1999
26 years old, rebuilt 2023
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
2 main spans
Daily traffic
28,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-714 over SR-91 (tpk) is a prestressed concrete stringer/multi-beam or girder carrying SR-714 over SR-91 (tpk) in Martin County, Florida. It was built in 1999 and reconstructed in 2023, so it is 26 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 28,500 vehicles a day, roughly 8% of them trucks, projected to reach 49,448 by 2042. The structure is 198 ft (60.4 m) long and 103 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR-714
CrossesSR-91 (tpk)
Location5.22 Miles East of I-95
RouteState Highway 714
CountyMartin County
StateFlorida
Coordinates27.16155, -80.30469
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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating43.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span99 ft (30.2 m)
Deck width103 ft (31.5 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,500 (2024)
Projected traffic49,448 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed14.3 mi (23 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 SR-714 over SR-91 (tpk) built?

It was built in 1999, making it 26 years old in 2025. It was reconstructed in 2023.

What condition is SR-714 over SR-91 (tpk) 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 December 2024.

How much traffic does SR-714 over SR-91 (tpk) carry?

About 28,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR-714 over SR-91 (tpk)?

The structure is 198 ft (60.4 m) long with a longest span of 99 ft (30.2 m) and a deck 103 ft wide.

Who owns SR-714 over SR-91 (tpk)?

It is owned by the State Highway Agency.