US Bridges

SR91 N/S Tpk 106.1 over SR 710 & Scl RR

Fair

Palm Beach County, Florida · 3 Miles South of Pga Blvd · Structure no. 930159

Built
1956
69 years old, rebuilt 1990
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
355 ft
3 main spans
Daily traffic
72,500
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 N/S Tpk 106.1 over SR 710 & Scl RR is a prestressed concrete stringer/multi-beam or girder carrying SR91 N/S Tpk 106.1 over SR 710 & Scl RR in Palm Beach County, Florida. It was built in 1956 and reconstructed in 1990, so it is 69 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 72,500 vehicles a day, roughly 20% of them trucks, projected to reach 125,788 by 2042. The structure is 355 ft (108.3 m) long and 91 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR91 N/S Tpk 106.1
CrossesSR 710 & Scl RR
Location3 Miles South of Pga Blvd
RouteState Highway 91
CountyPalm Beach County
StateFlorida
Coordinates26.79571, -80.13166
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length355 ft (108.3 m)
Longest span61 ft (18.6 m)
Deck width91 ft (27.7 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,500 (2023)
Projected traffic125,788 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR91 N/S Tpk 106.1 over SR 710 & Scl RR built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1990.

What condition is SR91 N/S Tpk 106.1 over SR 710 & Scl RR 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 November 2023.

How much traffic does SR91 N/S Tpk 106.1 over SR 710 & Scl RR carry?

About 72,500 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR91 N/S Tpk 106.1 over SR 710 & Scl RR?

The structure is 355 ft (108.3 m) long with a longest span of 61 ft (18.6 m) and a deck 91 ft wide.

Who owns SR91 N/S Tpk 106.1 over SR 710 & Scl RR?

It is owned by the State Toll Authority.