US Bridges

Whitfield Ave over Rattlesnake Slough

Fair

Manatee County, Florida · 0.1MI W of Lockwood RD · Structure no. 134134

Built
2007
18 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
138 ft
7 main spans
Daily traffic
5,600
2023 count
Owner
County
County Highway Agency

About this bridge

Whitfield Ave over Rattlesnake Slough is a concrete culvert carrying Whitfield Ave over Rattlesnake Slough in Manatee County, Florida. It was built in 2007, so it is 18 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 5,600 vehicles a day, roughly 2% of them trucks, projected to reach 7,000 by 2042. The structure is 138 ft (42.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWhitfield Ave
CrossesRattlesnake Slough
Location0.1MI W of Lockwood RD
RouteCity Street 0
CountyManatee County
StateFlorida
Coordinates27.41803, -82.50733
Functional classUrban Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length138 ft (42.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic7,000 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Whitfield Ave over Rattlesnake Slough built?

It was built in 2007, making it 18 years old in 2025.

What condition is Whitfield Ave over Rattlesnake 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 April 2023.

How much traffic does Whitfield Ave over Rattlesnake Slough carry?

About 5,600 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Whitfield Ave over Rattlesnake Slough?

The structure is 138 ft (42.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Whitfield Ave over Rattlesnake Slough?

It is owned by the County Highway Agency.