US Bridges

Moffet RD over Chauvin Bayou

PoorPosted for load

Terrebonne Parish, Louisiana · 0057 Log MI from in · Structure no. 025500000200840

Built
1979
46 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete
Length
48 ft
1 main span
Daily traffic
5,123
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moffet RD over Chauvin Bayou is a concrete slab carrying Moffet RD over Chauvin Bayou in Terrebonne Parish, Louisiana. It was built in 1979, so it is 46 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5,123 vehicles a day, projected to reach 5,635 by 2041. The structure is 48 ft (14.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMoffet RD
CrossesChauvin Bayou
Location0057 Log MI from in
RouteCounty Highway 0
CountyTerrebonne Parish
StateLouisiana
Coordinates29.57851, -90.6771
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,123 (2021)
Projected traffic5,635 by 2041
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Moffet RD over Chauvin Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is Moffet RD over Chauvin Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Moffet RD over Chauvin Bayou carry?

About 5,123 vehicles per day (2021 count).

How long is Moffet RD over Chauvin Bayou?

The structure is 48 ft (14.6 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns Moffet RD over Chauvin Bayou?

It is owned by the City or Municipal Highway Agency.