US Bridges

SW Hay Ave. over Thornton Branch

Fair

DeSoto County, Florida · 0.5 MI S of SW Senate · Structure no. 044039

Built
1993
32 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
3 main spans
Daily traffic
105
2025 count
Owner
County
County Highway Agency

About this bridge

SW Hay Ave. over Thornton Branch is a wood or timber stringer/multi-beam or girder carrying SW Hay Ave. over Thornton Branch in DeSoto County, Florida. It was built in 1993, so it is 32 years old, younger 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 105 vehicles a day, roughly 2% of them trucks, projected to reach 182 by 2045. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW Hay Ave.
CrossesThornton Branch
Location0.5 MI S of SW Senate
RouteCounty Highway 0
CountyDeSoto County
StateFlorida
Coordinates27.07166, -81.92598
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating18.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span13 ft (4 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2025)
Projected traffic182 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 SW Hay Ave. over Thornton Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is SW Hay Ave. over Thornton Branch 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 SW Hay Ave. over Thornton Branch carry?

About 105 vehicles per day (2025 count), of which roughly 2% are trucks.

How long is SW Hay Ave. over Thornton Branch?

The structure is 39 ft (11.9 m) long with a longest span of 13 ft (4 m) and a deck 24 ft wide.

Who owns SW Hay Ave. over Thornton Branch?

It is owned by the County Highway Agency.