US Bridges

Seven Springs Blvd over Duck Slough

Good

Pasco County, Florida · 0.5MI N of Mitchell Blvd · Structure no. 144031

Built
1980
45 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
22,000
2024 count
Owner
County
County Highway Agency

About this bridge

Seven Springs Blvd over Duck Slough is a concrete culvert carrying Seven Springs Blvd over Duck Slough in Pasco County, Florida. It was built in 1980, so it is 45 years old, older 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 22,000 vehicles a day, roughly 5% of them trucks, projected to reach 27,500 by 2044. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSeven Springs Blvd
CrossesDuck Slough
Location0.5MI N of Mitchell Blvd
RouteCounty Highway 77
StateFlorida
Coordinates28.18714, -82.69901
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.4 US tons
Inventory rating51.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2024)
Projected traffic27,500 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Seven Springs Blvd over Duck Slough built?

It was built in 1980, making it 45 years old in 2025.

What condition is Seven Springs Blvd over Duck 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 February 2024.

How much traffic does Seven Springs Blvd over Duck Slough carry?

About 22,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Seven Springs Blvd over Duck Slough?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.5 m).

Who owns Seven Springs Blvd over Duck Slough?

It is owned by the County Highway Agency.