US Bridges

US-41 (SR-90) over Canal 109

Fair

Collier County, Florida · 27.8MI East of SR-29 · Structure no. 030109

Built
1949
76 years old, rebuilt 1956
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
3,000
2024 count
Owner
State
State Highway Agency

About this bridge

US-41 (SR-90) over Canal 109 is a concrete slab carrying US-41 (SR-90) over Canal 109 in Collier County, Florida. It was built in 1949 and reconstructed in 1956, so it is 76 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.

It carries about 3,000 vehicles a day, roughly 18% of them trucks, projected to reach 3,750 by 2044. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesUS-41 (SR-90)
CrossesCanal 109
Location27.8MI East of SR-29
RouteU.S. Route 41
StateFlorida
Coordinates25.84759, -80.94162
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating39.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2024)
Projected traffic3,750 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-41 (SR-90) over Canal 109 built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1956.

What condition is US-41 (SR-90) over Canal 109 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 US-41 (SR-90) over Canal 109 carry?

About 3,000 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is US-41 (SR-90) over Canal 109?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns US-41 (SR-90) over Canal 109?

It is owned by the State Highway Agency.