US Bridges

Moise Mallet Rd. over Bayou Mallet

Good

St. Martin Parish, Louisiana · 0.5 MI NE of LA 686 · Structure no. 035030230915351

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Moise Mallet Rd. over Bayou Mallet is a concrete culvert carrying Moise Mallet Rd. over Bayou Mallet in St. Martin 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 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 70 vehicles a day, projected to reach 77 by 2040. The structure is 29 ft (8.8 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMoise Mallet Rd.
CrossesBayou Mallet
Location0.5 MI NE of LA 686
RouteCounty Highway 0
Coordinates30.38452, -91.88989
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width44 ft (13.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic77 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 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 Moise Mallet Rd. over Bayou Mallet built?

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

What condition is Moise Mallet Rd. over Bayou Mallet 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 2024.

How much traffic does Moise Mallet Rd. over Bayou Mallet carry?

About 70 vehicles per day (2020 count).

How long is Moise Mallet Rd. over Bayou Mallet?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Moise Mallet Rd. over Bayou Mallet?

It is owned by the County Highway Agency.