US Bridges

7th ST North over Gateway Canal

FairPosted for load

Pinellas County, Florida · At 77th Ave North · Structure no. 157236

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
66 ft
2 main spans
Daily traffic
2,819
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

7th ST North over Gateway Canal is a prestressed concrete slab carrying 7th ST North over Gateway Canal in Pinellas County, Florida. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 2,819 vehicles a day, roughly 5% of them trucks, projected to reach 4,891 by 2042. The structure is 66 ft (20.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries7th ST North
CrossesGateway Canal
LocationAt 77th Ave North
RouteCity Street 0
CountyPinellas County
StateFlorida
Coordinates27.84281, -82.64281
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating19.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span33 ft (10.1 m)
Deck width36 ft (11.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,819 (2023)
Projected traffic4,891 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 7th ST North over Gateway Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is 7th ST North over Gateway 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 July 2023.

How much traffic does 7th ST North over Gateway Canal carry?

About 2,819 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 7th ST North over Gateway Canal?

The structure is 66 ft (20.1 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns 7th ST North over Gateway Canal?

It is owned by the City or Municipal Highway Agency.