US Bridges

Ames Blvd over Eighty Arpent Canal

Good

Jefferson Parish, Louisiana · 0.6 Mi. South of Lapalco · Structure no. 022629520900642

Built
1997
28 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
18,920
1996 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 1997, so it is 28 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 18,920 vehicles a day, projected to reach 20,812 by 2016. 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).

Location

Open in Google Maps
CarriesAmes Blvd
CrossesEighty Arpent Canal
Location0.6 Mi. South of Lapalco
RouteCounty Highway 0
CountyJefferson Parish
StateLouisiana
Coordinates29.86464, -90.11064
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
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 alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 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 (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,920 (1996)
Projected traffic20,812 by 2016
Trucks—
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$333,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ames Blvd over Eighty Arpent Canal built?

It was built in 1997, making it 28 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 18,920 vehicles per day (1996 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.