US Bridges

US-17 (SR-35) over Mare Branch

Fair

DeSoto County, Florida · 5.4MI North of SR-70 · Structure no. 040060

Built
2005
20 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
15,100
2024 count
Owner
State
State Highway Agency

About this bridge

US-17 (SR-35) over Mare Branch is a concrete culvert carrying US-17 (SR-35) over Mare Branch in DeSoto County, Florida. It was built in 2005, so it is 20 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 15,100 vehicles a day, roughly 19% of them trucks, projected to reach 26,198 by 2044. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS-17 (SR-35)
CrossesMare Branch
Location5.4MI North of SR-70
RouteU.S. Route 17
CountyDeSoto County
StateFlorida
Coordinates27.28712, -81.82878
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length34 ft (10.5 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15,100 (2024)
Projected traffic26,198 by 2044
Trucks19%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-17 (SR-35) over Mare Branch built?

It was built in 2005, making it 20 years old in 2025.

What condition is US-17 (SR-35) over Mare 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 May 2024.

How much traffic does US-17 (SR-35) over Mare Branch carry?

About 15,100 vehicles per day (2024 count), of which roughly 19% are trucks.

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

The structure is 34 ft (10.5 m) long with a longest span of 11 ft (3.3 m).

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

It is owned by the State Highway Agency.