US Bridges

16th ST North over Canal 12

Good

Pinellas County, Florida · At 77th Ave North · Structure no. 157238

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
53 ft
2 main spans
Daily traffic
1,900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th ST North over Canal 12 is a prestressed concrete slab carrying 16th ST North over Canal 12 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 6% of them trucks, projected to reach 3,297 by 2042. The structure is 53 ft (16.3 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries16th ST North
CrossesCanal 12
LocationAt 77th Ave North
RouteCity Street 0
StateFlorida
Coordinates27.84294, -82.65506
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating26.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length53 ft (16.3 m)
Longest span27 ft (8.2 m)
Deck width48 ft (14.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic3,297 by 2042
Trucks6%
Lanes on structure3
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 16th ST North over Canal 12 built?

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

What condition is 16th ST North over Canal 12 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does 16th ST North over Canal 12 carry?

About 1,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is 16th ST North over Canal 12?

The structure is 53 ft (16.3 m) long with a longest span of 27 ft (8.2 m) and a deck 48 ft wide.

Who owns 16th ST North over Canal 12?

It is owned by the City or Municipal Highway Agency.