US Bridges

Harney RD over Harney Canal C-136

Fair

Hillsborough County, Florida · 0.6MI North of Sligh Ave · Structure no. 100336

Built
1977
48 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
200 ft
7 main spans
Daily traffic
5,000
2024 count
Owner
County
County Highway Agency

About this bridge

Harney RD over Harney Canal C-136 is a prestressed concrete slab carrying Harney RD over Harney Canal C-136 in Hillsborough County, Florida. It was built in 1977, so it is 48 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2042. The structure is 200 ft (61 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHarney RD
CrossesHarney Canal C-136
Location0.6MI North of Sligh Ave
RouteCounty Highway 0
StateFlorida
Coordinates28.01797, -82.37398
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length200 ft (61 m)
Longest span30 ft (9.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2024)
Projected traffic12,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Harney RD over Harney Canal C-136 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Harney RD over Harney Canal C-136 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 January 2024.

How much traffic does Harney RD over Harney Canal C-136 carry?

About 5,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Harney RD over Harney Canal C-136?

The structure is 200 ft (61 m) long with a longest span of 30 ft (9.2 m) and a deck 47 ft wide.

Who owns Harney RD over Harney Canal C-136?

It is owned by the County Highway Agency.