US Bridges

20th Street W over Cedar Hammock

Fair

Manatee County, Florida · 0.5MI West of US-41 · Structure no. 134170

Built
1992
33 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
4,356
2023 count
Owner
County
County Highway Agency

About this bridge

20th Street W over Cedar Hammock is a concrete slab carrying 20th Street W over Cedar Hammock in Manatee County, Florida. It was built in 1992, so it is 33 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 4,356 vehicles a day, projected to reach 5,445 by 2042. The structure is 22 ft (6.7 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries20th Street W
CrossesCedar Hammock
Location0.5MI West of US-41
RouteCity Street 0
StateFlorida
Coordinates27.44852, -82.58199
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating27.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width49 ft (14.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,356 (2023)
Projected traffic5,445 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 20th Street W over Cedar Hammock built?

It was built in 1992, making it 33 years old in 2025.

What condition is 20th Street W over Cedar Hammock 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 August 2023.

How much traffic does 20th Street W over Cedar Hammock carry?

About 4,356 vehicles per day (2023 count).

How long is 20th Street W over Cedar Hammock?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 49 ft wide.

Who owns 20th Street W over Cedar Hammock?

It is owned by the County Highway Agency.