US Bridges

SR91SB On/Off 98.0 over Drainage Canal

Fair

Palm Beach County, Florida · 0.4 Miles N of US 98 · Structure no. 931005

Built
2002
23 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
6,300
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91SB On/Off 98.0 over Drainage Canal is a concrete culvert carrying SR91SB On/Off 98.0 over Drainage 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,300 vehicles a day, roughly 14% of them trucks, projected to reach 10,930 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSR91SB On/Off 98.0
CrossesDrainage Canal
Location0.4 Miles N of US 98
RouteState Highway 91
StateFlorida
Coordinates26.68527, -80.16275
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating94 US tons
Inventory rating56.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic10,930 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR91SB On/Off 98.0 over Drainage Canal built?

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

What condition is SR91SB On/Off 98.0 over Drainage Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does SR91SB On/Off 98.0 over Drainage Canal carry?

About 6,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR91SB On/Off 98.0 over Drainage Canal?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns SR91SB On/Off 98.0 over Drainage Canal?

It is owned by the State Toll Authority.