US Bridges

SR91 N/S Tpk 92.1 over Lateral Canal #38

Good

Palm Beach County, Florida · 1 Mile South of SR 802 · Structure no. 930223

Built
1956
69 years old, rebuilt 1990
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
82 ft
1 main span
Daily traffic
82,800
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 N/S Tpk 92.1 over Lateral Canal #38 is a concrete tee beam carrying SR91 N/S Tpk 92.1 over Lateral Canal #38 in Palm Beach County, Florida. It was built in 1956 and reconstructed in 1990, so it is 69 years old, older 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 82,800 vehicles a day, roughly 17% of them trucks, projected to reach 143,658 by 2042. The structure is 82 ft (25 m) long and 91 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR91 N/S Tpk 92.1
CrossesLateral Canal #38
Location1 Mile South of SR 802
RouteState Highway 91
StateFlorida
Coordinates26.60241, -80.17353
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.4 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length82 ft (25 m)
Longest span48 ft (14.6 m)
Deck width91 ft (27.7 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,800 (2023)
Projected traffic143,658 by 2042
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR91 N/S Tpk 92.1 over Lateral Canal #38 built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1990.

What condition is SR91 N/S Tpk 92.1 over Lateral Canal #38 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 92.1 over Lateral Canal #38 carry?

About 82,800 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is SR91 N/S Tpk 92.1 over Lateral Canal #38?

The structure is 82 ft (25 m) long with a longest span of 48 ft (14.6 m) and a deck 91 ft wide.

Who owns SR91 N/S Tpk 92.1 over Lateral Canal #38?

It is owned by the State Toll Authority.