US Bridges

West Marion Avenue over Bass Inlet

Fair

Charlotte County, Florida · 1.2 Miles W of US-41 · Structure no. 015005

Built
1991
34 years old, rebuilt 1998
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
115 ft
4 main spans
Daily traffic
13,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Marion Avenue over Bass Inlet is a concrete continuous slab carrying West Marion Avenue over Bass Inlet in Charlotte County, Florida. It was built in 1991 and reconstructed in 1998, so it is 34 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 13,500 vehicles a day, roughly 4% of them trucks, projected to reach 23,423 by 2042. The structure is 115 ft (35.1 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWest Marion Avenue
CrossesBass Inlet
Location1.2 Miles W of US-41
RouteCity Street 0
CountyCharlotte County
StateFlorida
Coordinates26.92467, -82.06474
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.4 US tons
Inventory rating22.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length115 ft (35.1 m)
Longest span29 ft (8.9 m)
Deck width81 ft (24.7 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2023)
Projected traffic23,423 by 2042
Trucks4%
Lanes on structure4
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 West Marion Avenue over Bass Inlet built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 1998.

What condition is West Marion Avenue over Bass Inlet 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 May 2023.

How much traffic does West Marion Avenue over Bass Inlet carry?

About 13,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is West Marion Avenue over Bass Inlet?

The structure is 115 ft (35.1 m) long with a longest span of 29 ft (8.9 m) and a deck 81 ft wide.

Who owns West Marion Avenue over Bass Inlet?

It is owned by the City or Municipal Highway Agency.