US Bridges

SR-686 WB over 34th ST 118th Av & Ramp

Fair

Pinellas County, Florida · 0.8 Mi. W of I-275 · Structure no. 150265

Built
2010
15 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,515 ft
11 main spans
Daily traffic
6,300
2024 count
Owner
State
State Highway Agency

About this bridge

SR-686 WB over 34th ST 118th Av & Ramp is a prestressed concrete stringer/multi-beam or girder carrying SR-686 WB over 34th ST 118th Av & Ramp in Pinellas County, Florida. It was built in 2010, so it is 15 years old, younger 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 6,300 vehicles a day, roughly 7% of them trucks, projected to reach 10,930 by 2044. The structure is 1,515 ft (461.9 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-686 WB
Crosses34th ST 118th Av & Ramp
Location0.8 Mi. W of I-275
RouteState Highway 686
CountyPinellas County
StateFlorida
Coordinates27.87878, -82.67807
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHL 93
Structure length1,515 ft (461.9 m)
Longest span179 ft (54.6 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2024)
Projected traffic10,930 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-686 WB over 34th ST 118th Av & Ramp built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR-686 WB over 34th ST 118th Av & Ramp 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 November 2024.

How much traffic does SR-686 WB over 34th ST 118th Av & Ramp carry?

About 6,300 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR-686 WB over 34th ST 118th Av & Ramp?

The structure is 1,515 ft (461.9 m) long with a longest span of 179 ft (54.6 m) and a deck 45 ft wide.

Who owns SR-686 WB over 34th ST 118th Av & Ramp?

It is owned by the State Highway Agency.