US Bridges

Toussant Foret Br over Petit Caillou Bayou

FairPosted for load

Terrebonne Parish, Louisiana · 0002 Log MI from in · Structure no. 025529243903641

Built
1965
60 years old, rebuilt 2009
Condition
Fair
inspected June 2023
Type
Movable - Swing
Steel
Length
160 ft
1 main span
Daily traffic
1,339
2020 count
Owner
County
County Highway Agency

About this bridge

Toussant Foret Br over Petit Caillou Bayou is a steel movable - swing carrying Toussant Foret Br over Petit Caillou Bayou in Terrebonne Parish, Louisiana. It was built in 1965 and reconstructed in 2009, so it is 60 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,339 vehicles a day, projected to reach 1,472 by 2040. The structure is 160 ft (48.8 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesToussant Foret Br
CrossesPetit Caillou Bayou
Location0002 Log MI from in
RouteCounty Highway 0
CountyTerrebonne Parish
StateLouisiana
Coordinates29.40645, -90.60749
Functional classRural Local

Condition and inspection

Fair

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

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.4 US tons
Inventory rating12.9 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span129 ft (39.3 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck14 ft (4.1 m)

Traffic and service

Average daily traffic1,339 (2020)
Projected traffic1,472 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Toussant Foret Br over Petit Caillou Bayou built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2009.

What condition is Toussant Foret Br over Petit Caillou 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 June 2023.

How much traffic does Toussant Foret Br over Petit Caillou Bayou carry?

About 1,339 vehicles per day (2020 count).

How long is Toussant Foret Br over Petit Caillou Bayou?

The structure is 160 ft (48.8 m) long with a longest span of 129 ft (39.3 m) and a deck 16 ft wide.

Who owns Toussant Foret Br over Petit Caillou Bayou?

It is owned by the County Highway Agency.