US Bridges

Bluebill Ave CR846 over Naples Park Canal

Good

Collier County, Florida · 1.4 MI W of US 41 · Structure no. 030149

Built
1969
56 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
231 ft
5 main spans
Daily traffic
5,000
2023 count
Owner
County
County Highway Agency

About this bridge

Bluebill Ave CR846 over Naples Park Canal is a prestressed concrete stringer/multi-beam or girder carrying Bluebill Ave CR846 over Naples Park Canal in Collier County, Florida. It was built in 1969, so it is 56 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,250 by 2042. The structure is 231 ft (70.4 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBluebill Ave CR846
CrossesNaples Park Canal
Location1.4 MI W of US 41
RouteCounty Highway 846
StateFlorida
Coordinates26.27232, -81.82379
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length231 ft (70.4 m)
Longest span63 ft (19.2 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic6,250 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Bluebill Ave CR846 over Naples Park Canal built?

It was built in 1969, making it 56 years old in 2025.

What condition is Bluebill Ave CR846 over Naples Park 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 February 2025.

How much traffic does Bluebill Ave CR846 over Naples Park Canal carry?

About 5,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Bluebill Ave CR846 over Naples Park Canal?

The structure is 231 ft (70.4 m) long with a longest span of 63 ft (19.2 m) and a deck 42 ft wide.

Who owns Bluebill Ave CR846 over Naples Park Canal?

It is owned by the County Highway Agency.