US Bridges

SR91 N/S Tpk 88.03 over Boynton Canal

Good

Palm Beach County, Florida · 0.7 MI North of SR-804 · Structure no. 931010

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
82,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 N/S Tpk 88.03 over Boynton Canal is a prestressed concrete stringer/multi-beam or girder carrying SR91 N/S Tpk 88.03 over Boynton Canal in Palm Beach County, Florida. It was built in 2006, so it is 19 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 82,800 vehicles a day, roughly 17% of them trucks, projected to reach 143,658 by 2044. The structure is 87 ft (26.5 m) long and 149 ft wide.

Location

Open in Google Maps
CarriesSR91 N/S Tpk 88.03
CrossesBoynton Canal
Location0.7 MI North of SR-804
RouteState Highway 91
CountyPalm Beach County
StateFlorida
Coordinates26.53893, -80.17272
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating55.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span87 ft (26.5 m)
Deck width149 ft (45.4 m)
Roadway width144 ft (43.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,800 (2022)
Projected traffic143,658 by 2044
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR91 N/S Tpk 88.03 over Boynton Canal built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR91 N/S Tpk 88.03 over Boynton Canal 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 SR91 N/S Tpk 88.03 over Boynton Canal carry?

About 82,800 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is SR91 N/S Tpk 88.03 over Boynton Canal?

The structure is 87 ft (26.5 m) long with a longest span of 87 ft (26.5 m) and a deck 149 ft wide.

Who owns SR91 N/S Tpk 88.03 over Boynton Canal?

It is owned by the State Toll Authority.