US Bridges

SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int)

Fair

Martin County, Florida · SR 714 Ramp over Tpke · Structure no. 890068

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
4 main spans
Daily traffic
1,450
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int) is a steel stringer/multi-beam or girder carrying SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int) in Martin County, Florida. It was built in 1957, so it is 68 years old, older 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 1,450 vehicles a day, roughly 20% of them trucks, projected to reach 2,516 by 2042. The structure is 168 ft (51.2 m) long and 41 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

Location

Open in Google Maps
CarriesSR91 SB Tpk 134.32
CrossesSR 91 Tpk (stuart Int)
LocationSR 714 Ramp over Tpke
RouteState Highway 91
CountyMartin County
StateFlorida
Coordinates27.15778, -80.30217
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating28.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span58 ft (17.7 m)
Deck width41 ft (12.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2023)
Projected traffic2,516 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed9.3 mi (15 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$140,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int) built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int) 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 December 2023.

How much traffic does SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int) carry?

About 1,450 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int)?

The structure is 168 ft (51.2 m) long with a longest span of 58 ft (17.7 m) and a deck 41 ft wide.

Who owns SR91 SB Tpk 134.32 over SR 91 Tpk (stuart Int)?

It is owned by the State Toll Authority.