US Bridges

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

Good

Charlotte County, Florida · 5.1 MI North of I-75 · Structure no. 010103

Built
2005
20 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
2 main spans
Daily traffic
7,350
2024 count
Owner
State
State Highway Agency

About this bridge

US-17 NB (SR-35) over Shell Crk North Slough is a prestressed concrete stringer/multi-beam or girder carrying US-17 NB (SR-35) over Shell Crk North Slough in Charlotte 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 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 7,350 vehicles a day, roughly 16% of them trucks, projected to reach 12,752 by 2044. The structure is 149 ft (45.4 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-17 NB (SR-35)
CrossesShell Crk North Slough
Location5.1 MI North of I-75
RouteU.S. Route 17
StateFlorida
Coordinates26.98292, -81.95906
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: 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 rating62.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length149 ft (45.4 m)
Longest span74 ft (22.7 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,350 (2024)
Projected traffic12,752 by 2044
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 NB (SR-35) over Shell Crk North Slough built?

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

What condition is US-17 NB (SR-35) over Shell Crk North Slough 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 May 2024.

How much traffic does US-17 NB (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 NB (SR-35) over Shell Crk North Slough?

The structure is 149 ft (45.4 m) long with a longest span of 74 ft (22.7 m) and a deck 45 ft wide.

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

It is owned by the State Highway Agency.