US Bridges

US-17 SB (SR-35) over Shell Crk North Slough

Fair

Charlotte County, Florida · 5.1 Mi. North of I-75 · Structure no. 010095

Built
1986
39 years old, rebuilt 2005
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
149 ft
4 main spans
Daily traffic
7,350
2024 count
Owner
State
State Highway Agency

About this bridge

US-17 SB (SR-35) over Shell Crk North Slough is a prestressed concrete slab carrying US-17 SB (SR-35) over Shell Crk North Slough in Charlotte County, Florida. It was built in 1986 and reconstructed in 2005, so it is 39 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 7,350 vehicles a day, roughly 16% of them trucks, projected to reach 12,752 by 2046. The structure is 149 ft (45.4 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-17 SB (SR-35)
CrossesShell Crk North Slough
Location5.1 Mi. North of I-75
RouteU.S. Route 17
StateFlorida
Coordinates26.98288, -81.95928
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating28.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span37 ft (11.3 m)
Deck width47 ft (14.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,350 (2024)
Projected traffic12,752 by 2046
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 SB (SR-35) over Shell Crk North Slough built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2005.

What condition is US-17 SB (SR-35) over Shell Crk North Slough 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 SB (SR-35) over Shell Crk North Slough carry?

About 7,350 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US-17 SB (SR-35) over Shell Crk North Slough?

The structure is 149 ft (45.4 m) long with a longest span of 37 ft (11.3 m) and a deck 47 ft wide.

Who owns US-17 SB (SR-35) over Shell Crk North Slough?

It is owned by the State Highway Agency.