US Bridges

Ames Blvd over Eighty Arpent Canal

Good

Jefferson Parish, Louisiana · 0.6M South of Lapalco · Structure no. 022629520900641

Built
1992
33 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
15,000
1985 count
Owner
County
County Highway Agency

About this bridge

Ames Blvd over Eighty Arpent Canal is a concrete slab carrying Ames Blvd over Eighty Arpent Canal in Jefferson Parish, Louisiana. It was built in 1992, so it is 33 years old, younger than the Louisiana average of 43 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 15,000 vehicles a day, projected to reach 16,500 by 2005. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAmes Blvd
CrossesEighty Arpent Canal
Location0.6M South of Lapalco
RouteCounty Highway 0
Coordinates29.86489, -90.11077
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (1985)
Projected traffic16,500 by 2005
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ames Blvd over Eighty Arpent Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ames Blvd over Eighty Arpent 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 January 2023.

How much traffic does Ames Blvd over Eighty Arpent Canal carry?

About 15,000 vehicles per day (1985 count).

How long is Ames Blvd over Eighty Arpent Canal?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Ames Blvd over Eighty Arpent Canal?

It is owned by the County Highway Agency.