US Bridges

Commonwealth Ave over Six Mile Creek

Good

Duval County, Florida · .5 M W of Jones RD CR 117 · Structure no. 724268

Built
1957
68 years old, rebuilt 1977
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
771
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Commonwealth Ave over Six Mile Creek is a prestressed concrete tee beam carrying Commonwealth Ave over Six Mile Creek in Duval County, Florida. It was built in 1957 and reconstructed in 1977, so it is 68 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 771 vehicles a day, roughly 5% of them trucks, projected to reach 1,338 by 2042. The structure is 60 ft (18.3 m) long and 44 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCommonwealth Ave
CrossesSix Mile Creek
Location.5 M W of Jones RD CR 117
RouteCity Street 0
StateFlorida
Coordinates30.34672, -81.81533
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.7 US tons
Inventory rating52.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic771 (2024)
Projected traffic1,338 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 Commonwealth Ave over Six Mile Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1977.

What condition is Commonwealth Ave over Six Mile Creek 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 February 2024.

How much traffic does Commonwealth Ave over Six Mile Creek carry?

About 771 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Commonwealth Ave over Six Mile Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns Commonwealth Ave over Six Mile Creek?

It is owned by the City or Municipal Highway Agency.