US Bridges

SR-758 (siesta Dr) over Hanson Bayou

Fair

Sarasota County, Florida · 1.73 MI W of US-41 · Structure no. 170060

Built
1928
97 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
96 ft
3 main spans
Daily traffic
17,600
2025 count
Owner
County
County Highway Agency

About this bridge

SR-758 (siesta Dr) over Hanson Bayou is a concrete tee beam carrying SR-758 (siesta Dr) over Hanson Bayou in Sarasota County, Florida. It was built in 1928, so it is 97 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 17,600 vehicles a day, roughly 6% of them trucks, projected to reach 30,536 by 2045. The structure is 96 ft (29.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-758 (siesta Dr)
CrossesHanson Bayou
Location1.73 MI W of US-41
RouteState Highway 758
CountySarasota County
StateFlorida
Coordinates27.30194, -82.55505
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,600 (2025)
Projected traffic30,536 by 2045
Trucks6%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-758 (siesta Dr) over Hanson Bayou built?

It was built in 1928, making it 97 years old in 2025.

What condition is SR-758 (siesta Dr) over Hanson Bayou 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 January 2025.

How much traffic does SR-758 (siesta Dr) over Hanson Bayou carry?

About 17,600 vehicles per day (2025 count), of which roughly 6% are trucks.

How long is SR-758 (siesta Dr) over Hanson Bayou?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns SR-758 (siesta Dr) over Hanson Bayou?

It is owned by the County Highway Agency.