US Bridges

SR-60 over Mulberry Drainage Canal

Fair

Polk County, Florida · 0.12 MI East of SR-37 · Structure no. 160127

Built
1942
83 years old, rebuilt 1963
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
23,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR-60 over Mulberry Drainage Canal is a concrete culvert carrying SR-60 over Mulberry Drainage Canal in Polk County, Florida. It was built in 1942 and reconstructed in 1963, so it is 83 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 23,000 vehicles a day, roughly 22% of them trucks, projected to reach 39,905 by 2046. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR-60
CrossesMulberry Drainage Canal
Location0.12 MI East of SR-37
RouteState Highway 60
CountyPolk County
StateFlorida
Coordinates27.89493, -81.97151
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2024)
Projected traffic39,905 by 2046
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-60 over Mulberry Drainage Canal built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1963.

What condition is SR-60 over Mulberry Drainage Canal 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 October 2024.

How much traffic does SR-60 over Mulberry Drainage Canal carry?

About 23,000 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is SR-60 over Mulberry Drainage Canal?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3.2 m).

Who owns SR-60 over Mulberry Drainage Canal?

It is owned by the State Highway Agency.