US Bridges

SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int)

Good

Palm Beach County, Florida · At SR 804 SB on Ramp · Structure no. 930432

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
8,150
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int) is a prestressed concrete stringer/multi-beam or girder carrying SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int) in Palm Beach County, Florida. It was built in 1992, so it is 33 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 8,150 vehicles a day, roughly 14% of them trucks, projected to reach 14,140 by 2042. The structure is 136 ft (41.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR91 SB Tpk 87.4
CrossesCanal E-2-W(BOYN Bc Int)
LocationAt SR 804 SB on Ramp
RouteState Highway 91
CountyPalm Beach County
StateFlorida
Coordinates26.53105, -80.17304
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length136 ft (41.5 m)
Longest span76 ft (23.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2023)
Projected traffic14,140 by 2042
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int) built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc 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 SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int) carry?

About 8,150 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int)?

The structure is 136 ft (41.5 m) long with a longest span of 76 ft (23.2 m) and a deck 31 ft wide.

Who owns SR91 SB Tpk 87.4 over Canal E-2-W(BOYN Bc Int)?

It is owned by the State Toll Authority.