US Bridges

Tarpon Avenue over Imperial River Canal

Good

Lee County, Florida · 98FT E of Imper River RD · Structure no. 124002

Built
1950
75 years old, rebuilt 1979
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
320
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tarpon Avenue over Imperial River Canal is a prestressed concrete slab carrying Tarpon Avenue over Imperial River Canal in Lee County, Florida. It was built in 1950 and reconstructed in 1979, so it is 75 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 320 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2042. The structure is 37 ft (11.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTarpon Avenue
CrossesImperial River Canal
Location98FT E of Imper River RD
RouteCity Street 0
StateFlorida
Coordinates26.33521, -81.82075
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating30.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span37 ft (11.4 m)
Deck width36 ft (11.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2023)
Projected traffic400 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Tarpon Avenue over Imperial River Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1979.

What condition is Tarpon Avenue over Imperial River Canal 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 Tarpon Avenue over Imperial River Canal carry?

About 320 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Tarpon Avenue over Imperial River Canal?

The structure is 37 ft (11.4 m) long with a longest span of 37 ft (11.4 m) and a deck 36 ft wide.

Who owns Tarpon Avenue over Imperial River Canal?

It is owned by the City or Municipal Highway Agency.