US Bridges

LA0979 over False River Canal

Poor

Pointe Coupee Parish, Louisiana · 0.8 M W of LA 978 · Structure no. 613908390601691

Built
1980
45 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
748
2021 count
Owner
State
State Highway Agency

About this bridge

LA0979 over False River Canal is a concrete slab carrying LA0979 over False River Canal in Pointe Coupee Parish, Louisiana. It was built in 1980, so it is 45 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.

It carries about 748 vehicles a day, roughly 10% of them trucks, projected to reach 822 by 2041. The structure is 114 ft (34.7 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0979
CrossesFalse River Canal
Location0.8 M W of LA 978
RouteState Highway 979
Coordinates30.57348, -91.50175
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic748 (2021)
Projected traffic822 by 2041
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0979 over False River Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA0979 over False River Canal 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 2024.

How much traffic does LA0979 over False River Canal carry?

About 748 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0979 over False River Canal?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0979 over False River Canal?

It is owned by the State Highway Agency.