US Bridges

Chemin Metairie over Parc Perdu Bayou

Fair

Lafayette Parish, Louisiana · 0.50 MI W of LA 89 · Structure no. 032800000030374

Built
2008
17 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
2,336
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chemin Metairie over Parc Perdu Bayou is a concrete slab carrying Chemin Metairie over Parc Perdu Bayou in Lafayette Parish, Louisiana. It was built in 2008, so it is 17 years old, younger 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.

It carries about 2,336 vehicles a day, projected to reach 2,569 by 2040. The structure is 80 ft (24.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChemin Metairie
CrossesParc Perdu Bayou
Location0.50 MI W of LA 89
RouteCounty Highway 0
Coordinates30.08749, -91.99723
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,336 (2020)
Projected traffic2,569 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chemin Metairie over Parc Perdu Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is Chemin Metairie over Parc Perdu Bayou 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 January 2024.

How much traffic does Chemin Metairie over Parc Perdu Bayou carry?

About 2,336 vehicles per day (2020 count).

How long is Chemin Metairie over Parc Perdu Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns Chemin Metairie over Parc Perdu Bayou?

It is owned by the City or Municipal Highway Agency.