US Bridges

112th Ave over Isle of Palms

Good

Pinellas County, Florida · 0.06 MI East of CR-699 · Structure no. 157843

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
3,928
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

112th Ave over Isle of Palms is a prestressed concrete slab carrying 112th Ave over Isle of Palms in Pinellas County, Florida. It was built in 2014, so it is 11 years old, younger 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 3,928 vehicles a day, roughly 6% of them trucks, projected to reach 6,815 by 2042. The structure is 28 ft (8.5 m) long and 49 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries112th Ave
CrossesIsle of Palms
Location0.06 MI East of CR-699
RouteCity Street 0
StateFlorida
Coordinates27.77277, -82.77147
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating66.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width49 ft (14.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,928 (2024)
Projected traffic6,815 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 112th Ave over Isle of Palms built?

It was built in 2014, making it 11 years old in 2025.

What condition is 112th Ave over Isle of Palms 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 June 2024.

How much traffic does 112th Ave over Isle of Palms carry?

About 3,928 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is 112th Ave over Isle of Palms?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 49 ft wide.

Who owns 112th Ave over Isle of Palms?

It is owned by the City or Municipal Highway Agency.