US Bridges

SR91 N/S Tpk 84.1 over Lateral Canal #30

Good

Palm Beach County, Florida · 2.12 MI North of SR-806 · Structure no. 931009

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
97,678
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 N/S Tpk 84.1 over Lateral Canal #30 is a prestressed concrete stringer/multi-beam or girder carrying SR91 N/S Tpk 84.1 over Lateral Canal #30 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 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 97,678 vehicles a day, roughly 14% of them trucks, projected to reach 169,471 by 2044. The structure is 87 ft (26.5 m) long and 149 ft wide.

Location

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CarriesSR91 N/S Tpk 84.1
CrossesLateral Canal #30
Location2.12 MI North of SR-806
RouteState Highway 91
CountyPalm Beach County
StateFlorida
Coordinates26.48371, -80.17257
Functional classRural Principal Arterial - Other

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.
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 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 + Mod
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 traffic97,678 (2022)
Projected traffic169,471 by 2044
Trucks14%
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 84.1 over Lateral Canal #30 built?

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

What condition is SR91 N/S Tpk 84.1 over Lateral Canal #30 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 84.1 over Lateral Canal #30 carry?

About 97,678 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR91 N/S Tpk 84.1 over Lateral Canal #30?

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 84.1 over Lateral Canal #30?

It is owned by the State Toll Authority.