US Bridges

LA0001 over Bayou Moreau

PoorPosted for load

Pointe Coupee Parish, Louisiana · 2.2 M NW of LA 970 · Structure no. 613900520403531

Built
1957
68 years old, rebuilt 1978
Condition
Poor
inspected March 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
3,289
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Bayou Moreau is a concrete slab carrying LA0001 over Bayou Moreau in Pointe Coupee Parish, Louisiana. It was built in 1957 and reconstructed in 1978, so it is 68 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 3 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 3,289 vehicles a day, roughly 18% of them trucks, projected to reach 3,617 by 2041. The structure is 95 ft (29 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0001
CrossesBayou Moreau
Location2.2 M NW of LA 970
RouteState Highway 1
Coordinates30.95336, -91.75501
Functional classRural 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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 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 width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,289 (2021)
Projected traffic3,617 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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$478,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0001 over Bayou Moreau built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1978.

What condition is LA0001 over Bayou Moreau 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 March 2024.

How much traffic does LA0001 over Bayou Moreau carry?

About 3,289 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is LA0001 over Bayou Moreau?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 44 ft wide.

Who owns LA0001 over Bayou Moreau?

It is owned by the State Highway Agency.