US Bridges

US-41 over Dona Bay

Good

Sarasota County, Florida · 0.8 Mi. N of US Bus 41 · Structure no. 170171

Built
2008
17 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
49,000
2025 count
Owner
State
State Highway Agency

About this bridge

US-41 over Dona Bay is a concrete continuous slab carrying US-41 over Dona Bay in Sarasota County, Florida. It was built in 2008, so it is 17 years old, younger 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 49,000 vehicles a day, roughly 5% of them trucks, projected to reach 85,015 by 2045. The structure is 113 ft (34.5 m) long and 131 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS-41
CrossesDona Bay
Location0.8 Mi. N of US Bus 41
RouteU.S. Route 41
StateFlorida
Coordinates27.11854, -82.45125
Functional classUrban Other Principal 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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length113 ft (34.5 m)
Longest span38 ft (11.5 m)
Deck width131 ft (40 m)
Roadway width113 ft (34.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic49,000 (2025)
Projected traffic85,015 by 2045
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 over Dona Bay built?

It was built in 2008, making it 17 years old in 2025.

What condition is US-41 over Dona Bay 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 January 2025.

How much traffic does US-41 over Dona Bay carry?

About 49,000 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is US-41 over Dona Bay?

The structure is 113 ft (34.5 m) long with a longest span of 38 ft (11.5 m) and a deck 131 ft wide.

Who owns US-41 over Dona Bay?

It is owned by the State Highway Agency.