US Bridges

I-75 over Mango Lake Drain Canal

Fair

Hillsborough County, Florida · 0.1MI South of CR-574 · Structure no. 100437

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
143,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 over Mango Lake Drain Canal is a concrete culvert carrying I-75 over Mango Lake Drain Canal in Hillsborough County, Florida. It was built in 1983, so it is 42 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 143,500 vehicles a day, roughly 11% of them trucks, projected to reach 248,972 by 2042. The structure is 25 ft (7.7 m) long.

CarriesI-75
CrossesMango Lake Drain Canal
Location0.1MI South of CR-574
RouteInterstate 75
StateFlorida
Coordinates27.97399, -82.32633
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.7 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,500 (2023)
Projected traffic248,972 by 2042
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-75 over Mango Lake Drain Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-75 over Mango Lake Drain 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 2023.

How much traffic does I-75 over Mango Lake Drain Canal carry?

About 143,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-75 over Mango Lake Drain Canal?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.6 m).

Who owns I-75 over Mango Lake Drain Canal?

It is owned by the State Highway Agency.