US Bridges

LA0182 over Bayou Terrebonne

PoorPosted for load

Terrebonne Parish, Louisiana · .1 MI East of LA 24 West · Structure no. 025500050507211

Built
1968
57 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
9,001
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 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 9,001 vehicles a day, roughly 11% of them trucks, projected to reach 9,901 by 2041. The structure is 95 ft (29 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesLA0182
CrossesBayou Terrebonne
Location.1 MI East of LA 24 West
RouteState Highway 182
CountyTerrebonne Parish
StateLouisiana
Coordinates29.59888, -90.7162
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width42 ft (12.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,001 (2021)
Projected traffic9,901 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 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 November 2023.

How much traffic does LA0182 over Bayou Terrebonne carry?

About 9,001 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 42 ft wide.

Who owns LA0182 over Bayou Terrebonne?

It is owned by the State Highway Agency.