US Bridges

SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int)

Good

Palm Beach County, Florida · Boca Raton Interchng #28 · Structure no. 930450

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
176 ft
2 main spans
Daily traffic
5,700
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int) is a prestressed concrete stringer/multi-beam or girder carrying SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int) in Palm Beach County, Florida. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,700 vehicles a day, roughly 14% of them trucks, projected to reach 9,890 by 2044. The structure is 176 ft (53.6 m) long and 61 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR91SB On/Off 76.4
CrossesSR-91 Tpk(glades RD Int)
LocationBoca Raton Interchng #28
RouteState Highway 91
CountyPalm Beach County
StateFlorida
Coordinates26.37446, -80.17088
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.7 US tons
Inventory rating59.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span88 ft (26.8 m)
Deck width61 ft (18.6 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2022)
Projected traffic9,890 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int) built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int) 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 October 2023.

How much traffic does SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int) carry?

About 5,700 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int)?

The structure is 176 ft (53.6 m) long with a longest span of 88 ft (26.8 m) and a deck 61 ft wide.

Who owns SR91SB On/Off 76.4 over SR-91 Tpk(glades RD Int)?

It is owned by the State Toll Authority.