US Bridges

SR-35 (US-17) NB over Thornton Branch

Good

DeSoto County, Florida · 0.2 MI S of CR-761 · Structure no. 040062

Built
2011
14 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
5,150
2024 count
Owner
State
State Highway Agency

About this bridge

SR-35 (US-17) NB over Thornton Branch is a concrete continuous slab carrying SR-35 (US-17) NB over Thornton Branch in DeSoto County, Florida. It was built in 2011, so it is 14 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 5,150 vehicles a day, roughly 22% of them trucks, projected to reach 6,438 by 2044. The structure is 90 ft (27.4 m) long and 43 ft wide.

CarriesSR-35 (US-17) NB
CrossesThornton Branch
Location0.2 MI S of CR-761
RouteState Highway 35
StateFlorida
Coordinates27.06458, -81.95806
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 protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating50.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2024)
Projected traffic6,438 by 2044
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 SR-35 (US-17) NB over Thornton Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR-35 (US-17) NB over Thornton Branch 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 SR-35 (US-17) NB over Thornton Branch carry?

About 5,150 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is SR-35 (US-17) NB over Thornton Branch?

The structure is 90 ft (27.4 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns SR-35 (US-17) NB over Thornton Branch?

It is owned by the State Highway Agency.