US Bridges

SR-70 over Fisher Branch

Fair

Manatee County, Florida · 1.2 MI E of SR-675 · Structure no. 130034

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
8,300
2022 count
Owner
State
State Highway Agency

About this bridge

SR-70 over Fisher Branch is a concrete culvert carrying SR-70 over Fisher Branch in Manatee County, Florida. It was built in 1960, so it is 65 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 8,300 vehicles a day, roughly 22% of them trucks, projected to reach 14,400 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesSR-70
CrossesFisher Branch
Location1.2 MI E of SR-675
RouteState Highway 70
CountyManatee County
StateFlorida
Coordinates27.38758, -82.27956
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic14,400 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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-70 over Fisher Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR-70 over Fisher Branch 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 SR-70 over Fisher Branch carry?

About 8,300 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is SR-70 over Fisher Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR-70 over Fisher Branch?

It is owned by the State Highway Agency.