US Bridges

Chemin Metairie RD over Coulee

Good

Lafayette Parish, Louisiana · 0.43 MI S LA 3073 · Structure no. 032800000030400

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
1,110
2020 count
Owner
County
County Highway Agency

About this bridge

Chemin Metairie RD over Coulee is a concrete culvert carrying Chemin Metairie RD over Coulee in Lafayette Parish, Louisiana. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,110 vehicles a day, projected to reach 1,221 by 2040. The structure is 24 ft (7.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesChemin Metairie RD
CrossesCoulee
Location0.43 MI S LA 3073
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.12905, -92.0158
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,110 (2020)
Projected traffic1,221 by 2040
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chemin Metairie RD over Coulee built?

It was built in 2011, making it 14 years old in 2025.

What condition is Chemin Metairie RD over Coulee 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 October 2023.

How much traffic does Chemin Metairie RD over Coulee carry?

About 1,110 vehicles per day (2020 count).

How long is Chemin Metairie RD over Coulee?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns Chemin Metairie RD over Coulee?

It is owned by the County Highway Agency.