US Bridges

River Road over Marco Lake Canal

Fair

Duval County, Florida · 100 Ft N of Sorrento RD · Structure no. 724279

Built
1979
46 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
52 ft
3 main spans
Daily traffic
651
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

River Road over Marco Lake Canal is a concrete slab carrying River Road over Marco Lake Canal in Duval County, Florida. It was built in 1979, so it is 46 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 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 651 vehicles a day, roughly 10% of them trucks, projected to reach 1,130 by 2046. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRiver Road
CrossesMarco Lake Canal
Location100 Ft N of Sorrento RD
RouteCity Street 0
CountyDuval County
StateFlorida
Coordinates30.30165, -81.65756
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.5 US tons
Inventory rating46.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic651 (2024)
Projected traffic1,130 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$325,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was River Road over Marco Lake Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is River Road over Marco Lake Canal 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 December 2024.

How much traffic does River Road over Marco Lake Canal carry?

About 651 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is River Road over Marco Lake Canal?

The structure is 52 ft (15.8 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns River Road over Marco Lake Canal?

It is owned by the City or Municipal Highway Agency.