US Bridges

N. Manhattan Ave. over Channel H

Fair

Hillsborough County, Florida · 0.6MI South of Waters Ave · Structure no. 104235

Built
1965
60 years old, rebuilt 1995
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
66 ft
2 main spans
Daily traffic
5,700
2023 count
Owner
County
County Highway Agency

About this bridge

N. Manhattan Ave. over Channel H is a prestressed concrete channel beam carrying N. Manhattan Ave. over Channel H in Hillsborough County, Florida. It was built in 1965 and reconstructed in 1995, so it is 60 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 5,700 vehicles a day, roughly 5% of them trucks, projected to reach 7,125 by 2042. The structure is 66 ft (20.1 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN. Manhattan Ave.
CrossesChannel H
Location0.6MI South of Waters Ave
RouteCounty Highway 0
CountyHillsborough County
StateFlorida
Coordinates28.0175, -82.51725
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length66 ft (20.1 m)
Longest span33 ft (10.1 m)
Deck width46 ft (14 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic7,125 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 N. Manhattan Ave. over Channel H built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1995.

What condition is N. Manhattan Ave. over Channel H 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 N. Manhattan Ave. over Channel H carry?

About 5,700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N. Manhattan Ave. over Channel H?

The structure is 66 ft (20.1 m) long with a longest span of 33 ft (10.1 m) and a deck 46 ft wide.

Who owns N. Manhattan Ave. over Channel H?

It is owned by the County Highway Agency.