US Bridges

SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave

Good

Palm Beach County, Florida · 5.1 MI South of SR-804 · Structure no. 931006

Built
2008
17 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
2 main spans
Daily traffic
103,300
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave is a prestressed concrete stringer/multi-beam or girder carrying SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave in Palm Beach County, Florida. It was built in 2008, so it is 17 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 2044. The structure is 192 ft (58.5 m) long and 159 ft wide.

CarriesSR-91 Tpk NS 81.77
CrossesSR-806 Atlantic Ave
Location5.1 MI South of SR-804
RouteState Highway 91
StateFlorida
Coordinates26.45375, -80.17454
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span99 ft (30.2 m)
Deck width159 ft (48.5 m)
Roadway width156 ft (47.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103,300 (2022)
Projected traffic179,226 by 2044
Trucks14%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave 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 SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave carry?

About 103,300 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave?

The structure is 192 ft (58.5 m) long with a longest span of 99 ft (30.2 m) and a deck 159 ft wide.

Who owns SR-91 Tpk NS 81.77 over SR-806 Atlantic Ave?

It is owned by the State Toll Authority.