US Bridges

Traffic Circle over US 61 under Traf. Circle

FairPosted for load

Jefferson Parish, Louisiana · 0.6 MI N of US 90 · Structure no. 022629586900941

Built
1957
68 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
999 ft
20 main spans
Daily traffic
5,962
2021 count
Owner
County
County Highway Agency

About this bridge

Traffic Circle over US 61 under Traf. Circle is a steel stringer/multi-beam or girder carrying Traffic Circle over US 61 under Traf. Circle in Jefferson Parish, Louisiana. It was built in 1957, so it is 68 years old, older than the Louisiana average of 43 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. Its operating status is: posted for load restriction.

It carries about 5,962 vehicles a day, projected to reach 6,558 by 2041. The structure is 999 ft (304.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTraffic Circle
CrossesUS 61 under Traf. Circle
Location0.6 MI N of US 90
RouteCounty Highway 0
Coordinates29.97431, -90.15655
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
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
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20
Structure length999 ft (304.5 m)
Longest span50 ft (15.2 m)
Deck width39 ft (11.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic5,962 (2021)
Projected traffic6,558 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Traffic Circle over US 61 under Traf. Circle built?

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

What condition is Traffic Circle over US 61 under Traf. Circle 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 June 2023.

How much traffic does Traffic Circle over US 61 under Traf. Circle carry?

About 5,962 vehicles per day (2021 count).

How long is Traffic Circle over US 61 under Traf. Circle?

The structure is 999 ft (304.5 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.

Who owns Traffic Circle over US 61 under Traf. Circle?

It is owned by the County Highway Agency.