US Bridges

LA0001 over Morganza Spillway

Fair

Pointe Coupee Parish, Louisiana · LA0001 · Structure no. 613900520302671

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
4,125 ft
133 main spans
Daily traffic
3,874
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Morganza Spillway is a concrete tee beam carrying LA0001 over Morganza Spillway in Pointe Coupee Parish, Louisiana. It was built in 1954, so it is 71 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,874 vehicles a day, roughly 18% of them trucks, projected to reach 4,261 by 2041. The structure is 4,125 ft (1,257.3 m) long and 65 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA0001
CrossesMorganza Spillway
LocationLA0001
RouteState Highway 1
CountyPointe Coupee Parish
StateLouisiana
Coordinates30.77168, -91.61652
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans133
Design loadHS 20
Structure length4,125 ft (1,257.3 m)
Longest span31 ft (9.4 m)
Deck width65 ft (19.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,874 (2021)
Projected traffic4,261 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$16.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0001 over Morganza Spillway built?

It was built in 1954, making it 71 years old in 2025.

What condition is LA0001 over Morganza Spillway 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 August 2024.

How much traffic does LA0001 over Morganza Spillway carry?

About 3,874 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is LA0001 over Morganza Spillway?

The structure is 4,125 ft (1,257.3 m) long with a longest span of 31 ft (9.4 m) and a deck 65 ft wide.

Who owns LA0001 over Morganza Spillway?

It is owned by the State Highway Agency.