US Bridges

Pamona ST over Bonnabel Canal

FairPosted for load

Jefferson Parish, Louisiana · O.01 Mi.E.Of Melody. · Structure no. 022630003900871

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Prestressed Concrete
Length
77 ft
4 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

Pamona ST over Bonnabel Canal is a prestressed concrete channel beam carrying Pamona ST over Bonnabel Canal in Jefferson Parish, Louisiana. It was built in 1970, so it is 55 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 6 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.

No traffic count is recorded. The structure is 77 ft (23.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPamona ST
CrossesBonnabel Canal
LocationO.01 Mi.E.Of Melody.
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates30.00458, -90.14538
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
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 Pamona ST over Bonnabel Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pamona ST over Bonnabel 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 May 2023.

How much traffic does Pamona ST over Bonnabel Canal carry?

No traffic count is recorded for this structure.

How long is Pamona ST over Bonnabel Canal?

The structure is 77 ft (23.5 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Pamona ST over Bonnabel Canal?

It is owned by the County Highway Agency.