US Bridges

LA0182 over Bayou Terrebonne

FairPosted for load

Terrebonne Parish, Louisiana · .1 MI East of LA 24 West · Structure no. 025500050507212

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
8,732
2021 count
Owner
State
State Highway Agency

About this bridge

LA0182 over Bayou Terrebonne is a concrete slab carrying LA0182 over Bayou Terrebonne in Terrebonne Parish, Louisiana. It was built in 1968, so it is 57 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 8,732 vehicles a day, roughly 11% of them trucks, projected to reach 9,605 by 2041. The structure is 95 ft (29 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesLA0182
CrossesBayou Terrebonne
Location.1 MI East of LA 24 West
RouteState Highway 182
CountyTerrebonne Parish
StateLouisiana
Coordinates29.59917, -90.7163
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,732 (2021)
Projected traffic9,605 by 2041
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$475,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0182 over Bayou Terrebonne built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA0182 over Bayou Terrebonne 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 November 2023.

How much traffic does LA0182 over Bayou Terrebonne carry?

About 8,732 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0182 over Bayou Terrebonne?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns LA0182 over Bayou Terrebonne?

It is owned by the State Highway Agency.