US Bridges

SR-64 over Manatee River

Fair

Manatee County, Florida · 0.2 MI East of CR-675 · Structure no. 130048

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
5,800
2024 count
Owner
State
State Highway Agency

About this bridge

SR-64 over Manatee River is a prestressed concrete stringer/multi-beam or girder carrying SR-64 over Manatee River in Manatee County, Florida. It was built in 1966, so it is 59 years old, older 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 5,800 vehicles a day, roughly 21% of them trucks, projected to reach 10,063 by 2044. The structure is 320 ft (97.5 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSR-64
CrossesManatee River
Location0.2 MI East of CR-675
RouteState Highway 64
StateFlorida
Coordinates27.47554, -82.30171
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating40.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2024)
Projected traffic10,063 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 SR-64 over Manatee River built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR-64 over Manatee River 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 March 2024.

How much traffic does SR-64 over Manatee River carry?

About 5,800 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is SR-64 over Manatee River?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns SR-64 over Manatee River?

It is owned by the State Highway Agency.