US Bridges

20th Place SW over Hunter Canal

FairPosted for load

Collier County, Florida · 0.3MI W of Sunshine Blvd. · Structure no. 034106

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
1,250
2024 count
Owner
County
County Highway Agency

About this bridge

20th Place SW over Hunter Canal is a prestressed concrete slab carrying 20th Place SW over Hunter Canal in Collier County, Florida. It was built in 1967, so it is 58 years old, older 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. Its operating status is: posted for load restriction.

It carries about 1,250 vehicles a day, roughly 2% of them trucks, projected to reach 1,563 by 2042. The structure is 82 ft (25 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries20th Place SW
CrossesHunter Canal
Location0.3MI W of Sunshine Blvd.
RouteCounty Highway 0
CountyCollier County
StateFlorida
Coordinates26.19, -81.70774
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.5 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length82 ft (25 m)
Longest span42 ft (12.7 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2024)
Projected traffic1,563 by 2042
Trucks2%
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 20th Place SW over Hunter Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is 20th Place SW over Hunter 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 March 2024.

How much traffic does 20th Place SW over Hunter Canal carry?

About 1,250 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is 20th Place SW over Hunter Canal?

The structure is 82 ft (25 m) long with a longest span of 42 ft (12.7 m) and a deck 32 ft wide.

Who owns 20th Place SW over Hunter Canal?

It is owned by the County Highway Agency.