US Bridges

SR91 N/S Tpk 76.17 over Lateral Canal 45

Good

Palm Beach County, Florida · 1/4 Mile N of SR 808 · Structure no. 930412

Built
1989
36 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
81 ft
3 main spans
Daily traffic
103,300
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 N/S Tpk 76.17 over Lateral Canal 45 is a concrete slab carrying SR91 N/S Tpk 76.17 over Lateral Canal 45 in Palm Beach County, Florida. It was built in 1989, so it is 36 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 103,300 vehicles a day, roughly 14% of them trucks, projected to reach 179,226 by 2042. The structure is 81 ft (24.7 m) long and 133 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesSR91 N/S Tpk 76.17
CrossesLateral Canal 45
Location1/4 Mile N of SR 808
RouteState Highway 91
StateFlorida
Coordinates26.37154, -80.17084
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.
Superstructure7 GoodSome minor problems.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.9 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span31 ft (9.3 m)
Deck width133 ft (40.5 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103,300 (2023)
Projected traffic179,226 by 2042
Trucks14%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 N/S Tpk 76.17 over Lateral Canal 45 built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR91 N/S Tpk 76.17 over Lateral Canal 45 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 76.17 over Lateral Canal 45 carry?

About 103,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR91 N/S Tpk 76.17 over Lateral Canal 45?

The structure is 81 ft (24.7 m) long with a longest span of 31 ft (9.3 m) and a deck 133 ft wide.

Who owns SR91 N/S Tpk 76.17 over Lateral Canal 45?

It is owned by the State Toll Authority.