US Bridges

LA0074 over Grand Goudine

Fair

Ascension Parish, Louisiana · 1.4 M W of US 61&LA 47 · Structure no. 610302640302111

Built
1955
70 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
13,875
2021 count
Owner
State
State Highway Agency

About this bridge

LA0074 over Grand Goudine is a concrete slab carrying LA0074 over Grand Goudine in Ascension Parish, Louisiana. It was built in 1955, so it is 70 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 13,875 vehicles a day, roughly 11% of them trucks, projected to reach 15,262 by 2041. The structure is 60 ft (18.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0074
CrossesGrand Goudine
Location1.4 M W of US 61&LA 47
RouteState Highway 74
Coordinates30.25466, -90.95368
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,875 (2021)
Projected traffic15,262 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA0074 over Grand Goudine built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA0074 over Grand Goudine 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 May 2024.

How much traffic does LA0074 over Grand Goudine carry?

About 13,875 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0074 over Grand Goudine?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0074 over Grand Goudine?

It is owned by the State Highway Agency.