US Bridges

Snell Isle Blvd. over Coffee Pot Bayou

Fair

Pinellas County, Florida · At Coffee Pot Blvd. · Structure no. 157191

Built
1928
97 years old, rebuilt 1996
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
215 ft
1 main span
Daily traffic
9,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Snell Isle Blvd. over Coffee Pot Bayou is a concrete slab carrying Snell Isle Blvd. over Coffee Pot Bayou in Pinellas County, Florida. It was built in 1928 and reconstructed in 1996, so it is 97 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 5 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 9,200 vehicles a day, roughly 6% of them trucks, projected to reach 15,962 by 2042. The structure is 215 ft (65.5 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSnell Isle Blvd.
CrossesCoffee Pot Bayou
LocationAt Coffee Pot Blvd.
RouteCity Street 0
CountyPinellas County
StateFlorida
Coordinates27.79238, -82.62642
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.5 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadUnknown
Structure length215 ft (65.5 m)
Longest span36 ft (11 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2023)
Projected traffic15,962 by 2042
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Snell Isle Blvd. over Coffee Pot Bayou built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1996.

What condition is Snell Isle Blvd. over Coffee Pot Bayou 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 Snell Isle Blvd. over Coffee Pot Bayou carry?

About 9,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Snell Isle Blvd. over Coffee Pot Bayou?

The structure is 215 ft (65.5 m) long with a longest span of 36 ft (11 m) and a deck 52 ft wide.

Who owns Snell Isle Blvd. over Coffee Pot Bayou?

It is owned by the City or Municipal Highway Agency.