US Bridges

Palm Drive over Bay Point Canal

Good

Monroe County, Florida · 0.3 Mile E of US-1 MM14.8 · Structure no. 904140

Built
1975
50 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
593
2013 count
Owner
County
County Highway Agency

About this bridge

Palm Drive over Bay Point Canal is a concrete slab carrying Palm Drive over Bay Point Canal in Monroe County, Florida. It was built in 1975, so it is 50 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 593 vehicles a day, roughly 2% of them trucks, projected to reach 973 by 2037. The structure is 22 ft (6.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPalm Drive
CrossesBay Point Canal
Location0.3 Mile E of US-1 MM14.8
RouteCounty Highway 0
StateFlorida
Coordinates24.62639, -81.5925
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.9 US tons
Inventory rating43.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span22 ft (6.8 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic593 (2013)
Projected traffic973 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
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 Palm Drive over Bay Point Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Palm Drive over Bay Point 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 December 2023.

How much traffic does Palm Drive over Bay Point Canal carry?

About 593 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Palm Drive over Bay Point Canal?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m) and a deck 20 ft wide.

Who owns Palm Drive over Bay Point Canal?

It is owned by the County Highway Agency.