US Bridges

US-41 (SR-90) over Canal 104

Good

Collier County, Florida · 24.2MI East of SR-29 · Structure no. 030104

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

About this bridge

US-41 (SR-90) over Canal 104 is a concrete slab carrying US-41 (SR-90) over Canal 104 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 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 3,000 vehicles a day, roughly 18% of them trucks, projected to reach 5,205 by 2042. The structure is 30 ft (9.1 m) long and 34 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesUS-41 (SR-90)
CrossesCanal 104
Location24.2MI East of SR-29
RouteU.S. Route 41
StateFlorida
Coordinates25.85195, -80.98479
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating37.4 US tons
Inventory rating22.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2024)
Projected traffic5,205 by 2042
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 104 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 104 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 March 2024.

How much traffic does US-41 (SR-90) over Canal 104 carry?

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

How long is US-41 (SR-90) over Canal 104?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 34 ft wide.

Who owns US-41 (SR-90) over Canal 104?

It is owned by the State Highway Agency.