US Bridges

SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal

Good

Palm Beach County, Florida · 4.3 MI North of SR 802 · Structure no. 931004

Built
2002
23 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
510 ft
4 main spans
Daily traffic
83,000
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal is a prestressed concrete stringer/multi-beam or girder carrying SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal 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 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 83,000 vehicles a day, roughly 14% of them trucks, projected to reach 144,005 by 2042. The structure is 510 ft (155.5 m) long and 139 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR-91TPK Nbsb 97.4
CrossesUS 98-SR 80-WPB Canal
Location4.3 MI North of SR 802
RouteState Highway 91
StateFlorida
Coordinates26.67909, -80.16662
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length510 ft (155.5 m)
Longest span138 ft (42 m)
Deck width139 ft (42.4 m)
Roadway width134 ft (40.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,000 (2023)
Projected traffic144,005 by 2042
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5.6 mi (9 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 SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal built?

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

What condition is SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB 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 November 2023.

How much traffic does SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal carry?

About 83,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal?

The structure is 510 ft (155.5 m) long with a longest span of 138 ft (42 m) and a deck 139 ft wide.

Who owns SR-91TPK Nbsb 97.4 over US 98-SR 80-WPB Canal?

It is owned by the State Toll Authority.